kvetch

Noun

• (Yiddish) a nagging complaint

• (Yiddish) a constant complainer

Verb

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

Related words

• Synonyms: 
  complain , kick , plain , sound off , quetch
• Antonyms: 
  cheer , cheer up , chirk up