Synonyms of the word

deep

• adj. (heading, of a physical distance) Extending far away from a point of reference, especially downwards.
• adj. (heading, intellectual, social) Complex, involved.
• adj. (sound, voice) Low in pitch.
• adj. (of a color) Dark and highly saturated.
• adj. (sleep) Sound, heavy (describing a state of sleep from which one is not easily awoken).
• adj. Immersed, submerged (in).
• adj. Muddy; boggy; sandy; said of roads.
• adv. Deeply.
• n. (literary, with "the") The deep part of a lake, sea, etc.
• n. (rare) A deep shade of colour.
• n. (US, rare) The profound part of a problem.
• n. (with "the") The sea, the ocean.
• n. (cricket) A fielding position near the boundary.

abstruse

• adj. (obsolete) Concealed or hidden out of the way; secret.
• adj. Difficult to comprehend or understand; recondite; obscure; esoteric.

abysmal

• adj. (now rare) Pertaining to, or resembling an abyss; unending; profound; fathomless; immeasurable.
• adj. (figuratively) Bottomless; extremely bad.

abyssal

• adj. (archaic) Belonging to, or resembling, an abyss; unfathomable.
• adj. (geography) Of or belonging to the ocean depths, especially below 2000 metres (6500 ft): abyssal zone.
• adj. (geology) Pertaining to or occurring at excessive depths in the earth's crust; plutonic.

artful

• adj. Performed with, or characterized by, art or skill.
• adj. Artificial; imitative.
• adj. Using or exhibiting much art, skill, or contrivance; dexterous; skillful.
• adj. Cunning; disposed to cunning indirectness of dealing; crafty; as, an artful boy. [The usual sense.].

bass

• adj. Of sound, a voice or an instrument, low in pitch or frequency.
• n. A low spectrum of sound tones.
• n. A section of musical group that produces low-pitched sound, lower than the baritone and tenor.
• n. A male singer who sings in the bass range.
• n. (music) An instrument that plays in the bass range, in particular a double bass, bass guitar, electric…
• n. The clef sign that indicates that the pitch of the notes is below middle C; a bass clef.
• v. To sound in a deep tone.
• n. The perch; any of various marine and freshwater fish resembling the perch, all within the order of Perciformes.
• n. The fibrous inner bark of the linden or lime tree, used for making mats.
• n. Fibers from other plants, especially palm trees.
• n. Anything made from such fibers, such as a hassock or thick mat.

big

• adj. Of great size, large.
• adj. (of an industry or other field) Thought to have undue influence.
• adj. Popular.
• adj. (informal) Adult.
• adj. (informal) Fat.
• adj. (informal) Important or significant.
• adj. (informal, with on) Enthusiastic (about).
• adj. (informal) Mature, conscientious, principled.
• adj. (informal) Well-endowed, possessing large breasts in the case of a woman or a large penis in the case…
• adj. (sometimes figuratively) Large with young; pregnant; swelling; ready to give birth or produce.
• adj. (informal) Used as an intensifier, especially of negative-valence nouns.
• adj. (of a city) populous.
• adv. In a loud manner.
• adv. In a boasting manner.
• adv. In a large amount or to a large extent.
• adv. On a large scale, expansively.
• adv. Hard.
• n. Someone or something that is large in stature.
• n. An important or powerful person; a celebrity; a big name.
• n. (as plural) The big leagues, big time.
• v. (transitive) To praise or recommend.
• v. (transitive, archaic or Britain dialectal, Northern England, Scotland) to inhabit; occupy.
• v. (reflexive, archaic or Britain dialectal, Northern England, Scotland) to locate oneself.
• v. (transitive, archaic or Britain dialectal, Northern England, Scotland) to build; erect; fashion.
• v. (intransitive, archaic or Britain dialectal, Northern England, Scotland) to dwell; have a dwelling.
• n. One or more kinds of barley, especially six-rowed barley.

bottomless

• adj. Having no bottom.
• adj. Extremely deep.
• adj. Having no bounds; limitless.
• adj. Difficult to understand; unfathomable.
• adj. Not wearing clothes below the waist; particularly not wearing clothes that would cover the genitalia.

broad

• adj. Wide in extent or scope.
• adj. Extended, in the sense of diffused; open; clear; full.
• adj. Having a large measure of any thing or quality; not limited; not restrained.
• adj. Comprehensive; liberal; enlarged.
• adj. Plain; evident.
• adj. Free; unrestrained; unconfined.
• adj. (dated) Gross; coarse; indelicate.
• adj. (of an accent) Strongly regional.
• adj. (Gaelic languages) Velarized, i.e. not palatalized.
• n. (dated) A prostitute, a woman of loose morals.
• n. (US) A woman or girl.
• n. (Britain) A shallow lake, one of a number of bodies of water in eastern Norfolk and Suffolk.
• n. A lathe tool for turning down the insides and bottoms of cylinders.
• n. (Britain, historical) A British gold coin worth 20 shillings, issued by the Commonwealth of England in…

colorful

• adj. Possessing prominent and varied colors.
• adj. Interesting, multifaceted, energetic, distinctive.
• adj. (euphemistic) Profane, obscene, offensive (usually in the phrase colourful language).

colourful

• adj. British spelling standard spelling of colorful.

cryptic

• adj. Having hidden meaning.
• adj. Mystified or of an obscure nature.
• adj. Involving use of code or cipher/cypher.
• adj. (zoology) Well camouflaged; having good camouflage.
• adj. (biology) Apparently identical, but actually genetically distinct.
• n. (informal) A cryptic crossword.

cryptical

• adj. cryptic.

deep-water

• adj. Having a great depth of water.
• adj. Carried out at great depth.

deeply

• adv. At depth, in a deep way.
• adv. To a deep extent.
• adv. profoundly.

depression

• n. (psychology) In psychotherapy and psychiatry, a state of mind producing serious, long-term lowering of…
• n. (geography) An area that is lower in topography than its surroundings.
• n. (psychology) In psychotherapy and psychiatry, a period of unhappiness or low morale which lasts longer…
• n. (meteorology) An area of lowered air pressure that generally brings moist weather, sometimes promoting…
• n. (economics) A period of major economic contraction.
• n. (economics, US) Four consecutive quarters of negative, real GDP growth. See NBER.
• n. (biology, physiology) A lowering, in particular a reduction in a particular biological variable or the…

distant

• adj. Far off (physically, logically or mentally).
• adj. Emotionally unresponsive or unwilling to express genuine feelings.

esoteric

• adj. intended for or likely to be understood by only a small number of people with a specialized knowledge…
• adj. Having to do with concepts that are highly theoretical and without obvious practical application; often…
• adj. Confidential; private.
• n. An esoteric doctrine or treatise; esoteric philosophy.
• n. One who believes, or is an initiate, in esoteric doctrines or rites.

heavy

• adj. (of a physical object) Having great weight.
• adj. (of a topic) Serious, somber.
• adj. Not easy to bear; burdensome; oppressive.
• adj. (Britain, slang, dated) Good.
• adj. (dated, late 1960s, 1970s, US) Profound.
• adj. (of a rate of flow) High, great.
• adj. (slang) Armed.
• adj. (music) Louder, more distorted.
• adj. (of weather) Hot and humid.
• adj. (of a person) Doing the specified activity more intensely than most other people.
• adj. (of food) High in fat or protein; difficult to digest.
• adj. Of great force, power, or intensity; deep or intense.
• adj. Laden to a great extent.
• adj. Laden with that which is weighty; encumbered; burdened; bowed down, either with an actual burden, or with…
• adj. Slow; sluggish; inactive; or lifeless, dull, inanimate, stupid.
• adj. Impeding motion; cloggy; clayey.
• adj. Not raised or leavened.
• adj. Having much body or strength; said of wines or spirits.
• adj. (obsolete) With child; pregnant.
• adv. heavily.
• adv. (India, colloquial) very.
• n. A villain or bad guy; the one responsible for evil or aggressive acts.
• n. (slang) A doorman, bouncer or bodyguard.
• n. (aviation) A large multi-engined aircraft.
• v. (often with "up") To make heavier.
• v. To sadden.
• v. (Australia, New Zealand, informal) To use power and/or wealth to exert influence on, e.g., governments…
• adj. Having the heaves.

incomprehensible

• adj. Impossible or very difficult to understand.

inexplicable

• adj. Impossible to explain; not easily accounted for.

inscrutable

• adj. Difficult or impossible to comprehend, fathom, or interpret.
• n. One who or that which is inscrutable; a person, etc. that cannot be comprehended.

intense

• adj. Strained; tightly drawn.
• adj. Strict, very close or earnest.
• adj. Extreme in degree; excessive.
• adj. Extreme in size or strength.
• adj. Stressful and tiring.
• adj. Very severe.

large

• adj. Of considerable or relatively great size or extent.
• adj. (obsolete) Abundant; ample.
• adj. (archaic) Full in statement; diffuse; profuse.
• adj. (obsolete) Free; unencumbered.
• adj. (obsolete) Unrestrained by decorum; said of language.
• adj. (nautical) Crossing the line of a ship's course in a favorable direction; said of the wind when it is…
• n. (music, obsolete) An old musical note, equal to two longas, four breves, or eight semibreves.
• n. (obsolete) Liberality, generosity.
• n. (slang, plural: large) A thousand dollars/pounds.
• n. A large serving of something.

late

• adj. Near the end of a period of time.
• adj. Specifically, near the end of the day.
• adj. (usually not used comparatively) Associated with the end of a period.
• adj. Not arriving until after an expected time.
• adj. Not having had an expected menstrual period.
• adj. (not comparable, euphemistic) Deceased, dead: used particularly when speaking of the dead person's actions…
• adj. Existing or holding some position not long ago, but not now; departed, or gone out of office.
• adj. Recent — relative to the noun it modifies.
• n. (informal) A shift (scheduled work period) that takes place late in the day or at night.
• adv. After a deadline has passed, past a designated time.
• adv. formerly, especially in the context of service in a military unit.

low

• adj. In a position comparatively close to the ground.
• adj. Small in height.
• adj. Situated below the normal level, or the mean elevation.
• adj. Depressed, sad.
• adj. Not high in amount or quantity.
• adj. Of a pitch, suggesting a lower frequency.
• adj. Quiet; soft; not loud.
• adj. Despicable; lacking dignity; vulgar.
• adj. Lacking health or vitality; feeble; weak.
• adj. Being near the equator.
• adj. Humble in character or status.
• adj. Simple in complexity or development.
• adj. Designed for the slowest speed, as in low gear.
• adj. Articulated with a wide space between the flat tongue and the palette.
• adj. (phonetics) Made, as a vowel, with a low position of part of the tongue in relation to the palate.
• adj. (archaic) Not rich, highly seasoned, or nourishing; plain; simple.
• n. Something that is low; a low point.
• n. A depressed mood or situation.
• n. (meteorology) An area of low pressure; a depression.
• n. The lowest-speed gearing of a power-transmission system, especially of an automotive vehicle.
• n. (card games) The lowest trump, usually the deuce; the lowest trump dealt or drawn.
• n. (slang) (usually accompanied by "the") a cheap, cost-efficient, or advantageous payment or expense.
• adv. Close to the ground.
• adv. Of a pitch, at a lower frequency.
• adv. With a low voice or sound; not loudly; gently.
• adv. Under the usual price; at a moderate price; cheaply.
• adv. In a low mean condition; humbly; meanly.
• adv. In a time approaching our own.
• adv. (astronomy) In a path near the equator, so that the declination is small, or near the horizon, so that…
• v. (obsolete, transitive) To depress; to lower.
• v. obsolete simple past tense of laugh.
• v. (intransitive) To moo.
• n. (countable, Britain, Scotland, dialect) A flame; fire; blaze.
• v. (Britain, Scotland, dialect) To burn; to blaze.
• n. (archaic or obsolete) Barrow, mound, tumulus.
• n. (Scottish dialectal, archaic) A hill.

low-pitched

• adj. Of a sound, having a comparatively low pitch.

middle

• n. A centre, midpoint.
• n. The part between the beginning and the end.
• n. (cricket) The middle stump.
• n. The central part of a human body.
• n. (grammar) The middle voice.
• adj. Located in the middle; in between.
• adj. Central.
• adj. (grammar) Pertaining to the middle voice.

mysterious

• adj. Of unknown origin.
• adj. Having unknown qualities.
• adj. Difficult to understand.
• adj. Deliberately evasive or enigmatic.

mystifying

• adj. Very hard to understand; baffling.
• v. present participle of mystify.

ocean

• n. (countable) One of the large bodies of water separating the continents.
• n. (uncountable) Water belonging to an ocean.
• n. (figuratively) An immense expanse; any vast space or quantity without apparent limits.

profound

• adj. Descending far below the surface; opening or reaching to great depth; deep.
• adj. Very deep; very serious.
• adj. Intellectually deep; entering far into subjects; reaching to the bottom of a matter, or of a branch of…
• adj. Characterized by intensity; deeply felt; pervading.
• adj. Bending low, exhibiting or expressing deep humility; lowly; submissive.
• n. (obsolete) The deep; the sea; the ocean.
• n. (obsolete) An abyss.
• v. (obsolete) To cause to sink deeply; to cause to dive or penetrate far down.
• v. (obsolete) To dive deeply; to penetrate.

recondite

• adj. (of areas of study and literature) Difficult, obscure; particularly.
• adj. (as a general term, somewhat archaic ; as a term in botany and entomology, obscure, rare) Hidden or removed…
• adj. (zoology, rare) Shy, avoiding notice (particularly human notice).
• v. (obscure, rare, transitive) to hide, cover up, conceal.

rich

• adj. Wealthy: having a lot of money and possessions.
• adj. Having an intense fatty or sugary flavour.
• adj. Plentiful, abounding, abundant, fulfilling.
• adj. Yielding large returns; productive or fertile; fruitful.
• adj. Composed of valuable or costly materials or ingredients; procured at great outlay; highly valued; precious;…
• adj. Not faint or delicate; vivid.
• adj. (informal, dated) Very amusing.
• adj. (informal) Ridiculous, absurd.
• adj. Used to form adjectives when combined with common nouns for things considered desirable in the context…
• adj. (computing) Elaborate, having complex formatting, multimedia, or depth of interaction.
• adj. Of a fuel-air mixture, having less air than is necessary to burn all of the fuel; less air- or oxygen-…
• v. (obsolete) To enrich.

sound

• adj. Healthy.
• adj. Complete, solid, or secure.
• adj. (mathematics, logic) Having the property of soundness.
• adj. (Britain, slang) Good; acceptable; decent.
• adj. (of sleep) Quiet and deep. Sound asleep means sleeping peacefully, often deeply.
• adj. Heavy; laid on with force.
• adj. Founded in law; legal; valid; not defective.
• adv. Soundly.
• interj. (Britain, slang) Yes; used to show agreement or understanding, generally without much enthusiasm.
• n. A sensation perceived by the ear caused by the vibration of air or some other medium.
• n. A vibration capable of causing such sensations.
• n. (music) A distinctive style and sonority of a particular musician, orchestra etc.
• n. Noise without meaning; empty noise.
• v. (intransitive) To produce a sound.
• v. (copulative) To convey an impression by one's sound.
• v. (intransitive) To be conveyed in sound; to be spread or published; to convey intelligence by sound.
• v. (intransitive, obsolete) To resound.
• v. (intransitive, law, often with in) To arise or to be recognizable as arising in or from a particular area…
• v. (transitive) To cause to produce a sound.
• v. (transitive, phonetics, of a vowel or consonant) To pronounce.
• n. (geography) A long narrow inlet, or a strait between the mainland and an island; also, a strait connecting…
• n. The air bladder of a fish.
• n. A cuttlefish.
• v. (intransitive) Dive downwards, used of a whale.
• v. To ascertain, or try to ascertain, the thoughts, motives, and purposes of (a person); to examine; to try;…
• v. Test; ascertain the depth of water with a sounding line or other device.
• v. (medicine) To examine with the instrument called a sound or sonde, or by auscultation or percussion.
• n. (medicine) An instrument for probing or dilating; a sonde.
• n. A long, thin probe for sounding body cavities or canals such as the urethra.

thick

• adj. Relatively great in extent from one surface to the opposite in its smallest solid dimension.
• adj. Measuring a certain number of units in this dimension.
• adj. Heavy in build; thickset.
• adj. Densely crowded or packed.
• adj. Having a viscous consistency.
• adj. Abounding in number.
• adj. Impenetrable to sight.
• adj. Difficult to understand, or poorly articulated.
• adj. (informal) Stupid.
• adj. (informal) Friendly or intimate.
• adj. Deep, intense, or profound.
• adj. (Britain, dated) troublesome; unreasonable.
• adj. (slang, chiefly of women) Curvy and voluptuous, and especially having large hips.
• adv. In a thick manner.
• adv. Thickly.
• adv. Frequently; in great numbers.
• n. The thickest, or most active or intense, part of something.
• n. A thicket.
• n. (slang) A stupid person; a fool.
• v. (archaic, transitive) To thicken.

trench

• n. A long, narrow ditch or hole dug in the ground.
• n. (military) A narrow excavation as used in warfare, as a cover for besieging or emplaced forces.
• n. (archaeology) A pit, usually rectangular with smooth walls and floor, excavated during an archaeological…
• n. (informal) A trench coat.
• v. (usually followed by upon) To invade, especially with regard to the rights or the exclusive authority…
• v. (military, infantry) To excavate an elongated pit for protection of soldiers and or equipment, usually…
• v. (archaeology) To excavate an elongated and often narrow pit.
• v. To have direction; to aim or tend.
• v. To cut; to form or shape by cutting; to make by incision, hewing, etc.
• v. To cut furrows or ditches in.
• v. To dig or cultivate very deeply, usually by digging parallel contiguous trenches in succession, filling…

unfathomable

• adj. Impossible to fathom or understand; incomprehensible.
• adj. Difficult to penetrate.

unfathomed

• adj. Of unknown depth.
• adj. Not explored or understood.

unplumbed

• adj. Not measured for depth, as if with a plumb.

unsounded

• adj. unfathomed.

wakeless

• adj. Without (the possibility of) waking.
• adj. Without a wake.

walk-in

• adj. (of a place) that people may enter without a prior appointment.
• adj. (of a thief) that gains access through unlocked doors.
• adj. (of a defector etc) that walks into an embassy etc unannounced.
• adj. (US, of a cinema) not a drive-in.
• adj. (of a room) entered without an intervening passage.
• n. a walk-in room or closet.
• n. a walk-in defector etc.
• n. (parapsychology) A person whose original soul has departed the body and been replaced with another.
• n. A customer who visits a restaurant, hair salon, etc. without a reservation.

wide

• adj. Having a large physical extent from side to side.
• adj. Large in scope.
• adj. (sports) Operating at the side of the playing area.
• adj. On one side or the other of the mark; too far sideways from the mark, the wicket, the batsman, etc.
• adj. (phonetics, dated) Made, as a vowel, with a less tense, and more open and relaxed, condition of the organs…
• adj. (Scotland, Northern England, now rare) Vast, great in extent, extensive.
• adj. Remote; distant; far.
• adj. (obsolete) Far from truth, propriety, necessity, etc.
• adj. (computing) Of or supporting a greater range of text characters than can fit into the traditional 8-bit…
• adv. extensively.
• adv. completely.
• adv. away from a given goal.
• adv. So as to leave or have a great space between the sides; so as to form a large opening.
• n. (cricket) A ball that passes so far from the batsman that the umpire deems it unplayable; the arm signal…