sound off

Verb

• express complaints, discontent, displeasure, or unhappiness
  • My mother complains all day
    
  • She has a lot to kick about
    

• start playing
  • The musicians struck up a tune
    

• express one's opinion openly and without fear or hesitation
  • John spoke up at the meeting
    

Related words

• Synonyms: 
  complain , kick , plain , quetch , kvetch , strike up , opine , speak up , speak out , animadvert
• Antonyms: 
  cheer , cheer up , chirk up