sound off Meaning, Definition & Usage

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

WordNet