early 15c., from Middle French dissonant and directly from Latin dissonantem (nominative dissonans), present participle of dissonare "differ in sound," from dis- "apart" (see dis-) + sonare "to sound" (see sonata).
1. Death and decay is the result of an inherently dissonant biology.
2. His voice is drowned by the dissonant scream of a siren outside.
3. Diminished triads and augmented triads are traditionally regarded as dissonant chords.
4. Where did the dissonant forms and language upon earth come from?
5. Some minerals hold a physicality which expresses geometry which is dissonant here.