Synonyms of the word

monotonous

• adj. Having an unvarying tone or pitch.
• adj. Tedious, repetitious or lacking in variety.

dull

• adj. Lacking the ability to cut easily; not sharp.
• adj. Boring; not exciting or interesting.
• adj. Not shiny; having a matte finish or no particular luster or brightness.
• adj. Not bright or intelligent; stupid; slow of understanding.
• adj. Sluggish, listless.
• adj. Cloudy, overcast.
• adj. Insensible; unfeeling.
• adj. Heavy; lifeless; inert.
• adj. (of pain etc) Not intense; felt indistinctly or only slightly.
• adj. (of a noise or sound) Not clear, muffled.
• v. (transitive) To render dull; to remove or blunt an edge or something that was sharp.
• v. (transitive) To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy.
• v. (intransitive) To lose a sharp edge; to become dull.
• v. To render dim or obscure; to sully; to tarnish.

flat

• adj. Having no variations in height.
• adj. (music, voice) Without variations in pitch.
• adj. (slang) Describing certain features, usually the breasts and/or buttocks, that are extremely small or…
• adj. (music, note) Lowered by one semitone.
• adj. (music) Of a note or voice, lower in pitch than it should be.
• adj. (of a tire or other inflated object) Deflated, especially because of a puncture.
• adj. Uninteresting.
• adj. Of a carbonated drink, with all or most of its carbon dioxide having come out of solution so that the…
• adj. (wine) Lacking acidity without being sweet.
• adj. (of a battery) Unable to emit power; dead.
• adj. (juggling, of a throw) Without spin; spinless.
• adj. Lacking liveliness of commercial exchange and dealings; depressed; dull.
• adj. Absolute; downright; peremptory.
• adj. (phonetics, dated, of a consonant) sonant; vocal, as distinguished from a sharp (non-sonant) consonant.
• adj. (grammar) Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective…
• adj. (golf, of a golf club) Having a head at a very obtuse angle to the shaft.
• adj. (horticulture, of certain fruits) Flattening at the ends.
• adv. So as to be flat.
• adv. Bluntly.
• adv. (with units of time, distance, etc) Not exceeding.
• adv. Completely.
• adv. Directly; flatly.
• adv. (finance, slang) Without allowance for accrued interest.
• n. An area of level ground.
• n. (music) A note played a semitone lower than a natural, denoted by the symbol ♭ sign placed after the letter…
• n. (informal, automotive) A flat tyre/tire.
• n. (in the plural) A type of ladies' shoes with very low heels.
• n. (painting) A thin, broad brush used in oil and watercolor/watercolour painting.
• n. The flat part of something.
• n. A wide, shallow container.
• n. (mail) A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded…
• n. (geometry) A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
• n. A flat-bottomed boat, without keel, and of small draught.
• n. A straw hat, broad-brimmed and low-crowned.
• n. (US) A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar.
• n. A platform on a wheel, upon which emblematic designs etc. are carried in processions.
• n. (mining) A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a…
• n. (obsolete) A dull fellow; a simpleton.
• n. (technical, theatre) A rectangular wooden structure covered with masonite, lauan, or muslin that depicts…
• v. (poker slang) To make a flat call; to call without raising.
• v. (intransitive) To become flat or flattened; to sink or fall to an even surface.
• v. (intransitive, music, colloquial) To fall from the pitch.
• v. (transitive, music) To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
• v. (transitive, dated) To make flat; to flatten; to level.
• v. (transitive, dated) To render dull, insipid, or spiritless; to depress.
• n. (chiefly Britain, New England, New Zealand and Australia, archaic elsewhere) An apartment, usually on…

humdrum

• adj. Lacking variety or excitement; dull; boring.
• n. The quality of lacking variety or excitement; dullness; monotony.

monotone

• adj. (of speech or a sound) having a single unvaried pitch.
• adj. (mathematics) of a function: having the property of either always decreasing or always increasing.
• n. A single unvaried tone of speech or a sound.
• v. (transitive, intransitive) To speak in a monotone.

monotonic

• adj. of or using the Greek system of diacritics which discards the breathings and employs a single accent to…
• adj. (mathematics) said of a function that either never decreases or never increases as its independent variable…
• adj. Uttered in a monotone; monotonous.

unmodulated

• adj. Not modulated.