Not harmonious; discordant, in conflict, etc.
The sensation of sour taste, one of the four primary tastes.
The definition of harmonious is things that go well together, or people and things that get along well.
Uttering falsehood; dishonest or deceitful.
Find another word for off-key. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for off-key, like: flat, inharmonious, off-pitch, off-tone, out of pitch, out-of-tune, sour, unmusical, untuned, on-key and harmonious.