Synonyms of the word

off-key

• adj. (music) pitched inaccurately either above or below the correct note.
• adj. (by extension) not harmonious, or out of accord.

false

• adj. Untrue, not factual, factually incorrect.
• adj. Based on factually incorrect premises.
• adj. Spurious, artificial.
• adj. (logic) Of a state in Boolean logic that indicates a negative result.
• adj. Uttering falsehood; dishonest or deceitful.
• adj. Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous.
• adj. Not well founded; not firm or trustworthy; erroneous.
• adj. Not essential or permanent, as parts of a structure which are temporary or supplemental.
• adj. (music) Out of tune.
• adv. Not truly; not honestly; falsely.
• n. One of two options on a true-or-false test.

inharmonious

• adj. (music) Not in harmony; discordant.
• adj. Lacking accord or agreement.

sour

• adj. Having an acidic, sharp or tangy taste.
• adj. Made rancid by fermentation, etc.
• adj. Tasting or smelling rancid.
• adj. Peevish or bad-tempered.
• adj. (of soil) Excessively acidic and thus infertile.
• adj. (of petroleum) Containing excess sulfur.
• adj. Unfortunate or unfavorable.
• adj. (music) Off-pitch, out of tune.
• n. The sensation of a sour taste.
• n. A drink made with whiskey, lemon or lime juice and sugar.
• n. (by extension) Any cocktail containing lemon or lime juice.
• n. A sour or acid substance; whatever produces a painful effect.
• v. (transitive) To make sour.
• v. (intransitive) To become sour.
• v. (transitive) To spoil or mar; to make disenchanted.
• v. (intransitive) To become disenchanted.
• v. (transitive) To make (soil) cold and unproductive.
• v. To macerate (lime) and render it fit for plaster or mortar.

unharmonious

• adj. Alternative form of inharmonious.