mismatched, inharmonious, discordant or dissonant, not fitting well together (especially in regards to aesthetics, colors, clothing, or sounds)
conflicting, contrasting, or contrary; inconsonant, incompatible, or irreconcilable
adverse or antagonistic; disagreeing or opposing
Producing a clash or series of clashes.
A clash; the sound or action of clashing; violent collision.
Not able to be measured by the same standards as another term in the context.
having a ratio that is not expressible as a fraction of two integers.
having no common integer divisor except 1.
An incommensurable value or quantity; an irrational number.