sound off meaning and definition

SOUND OFF verb

Definition of sound off (verb)

1. express one's opinion openly and without fear or hesitation
   • "John spoke up at the meeting"
   • synonyms: animadvert, opine, speak out, speak up
2. start playing
   • "The musicians struck up a tune"
   • synonyms: strike up
3. express complaints, discontent, displeasure, or unhappiness
   • "My mother complains all day"; "She has a lot to kick about"
   • synonyms: complain, kick, kvetch, plain, quetch
   • antonym: cheer