1. Be dissonant or harsh
   "The violins in this piece dissonated disturbingly"
    
2. Cause to sound harsh and unpleasant
   "The out-of-tune violin dissonated with the orchestra";
   - disharmonize, disharmonise [Brit]

Derived forms: dissonating, dissonates, dissonated

Type of: alter, change, modify, sound

Encyclopedia: Dissonate