Harsh and inharmonious in sound; discordant.
Being at variance; disagreeing.
The definition of dissonant is things that don't go well together or things that are not harmonious.
The sound that occurs when you play two cords on the piano that don't sound good together is an example of something that would be described as dissonant.
(music) Constituting or producing a dissonance.
Characterized by or constituting a dissonance; discordant.
Opposing in opinion, temperament, etc.; incompatible; incongruous.
Origin of dissonant
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle French dissonant