Synonyms of the word

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.

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.

fundamental

• n. (usually in the plural) A leading or primary principle, rule, law, or article, which serves as the groundwork…
• n. (physics) The lowest frequency of a periodic waveform.
• n. (music) The lowest partial of a complex tone.
• adj. Pertaining to the foundation or basis; serving for the foundation.
• adj. Essential, as an element, principle, or law; important; original; elementary.

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.

important

• adj. Having relevant and crucial value.

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.

scholarly

• adj. Of or relating to scholars or scholarship.
• adv. (US) In a scholarly manner.

significant

• adj. Signifying something; carrying meaning.
• adj. Having a covert or hidden meaning.
• adj. Having a noticeable or major effect; notable.
• adj. Reasonably large in number or amount.
• adj. (statistics) Having a low probability of occurring by chance (for example, having high correlation and…
• n. That which has significance; a sign; a token; a symbol.

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.

thoughtful

• adj. Demonstrating thought or careful consideration.
• adj. Demonstrating kindness or consideration for others.

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.