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1. Express complaints, discontent, displeasure, or unhappiness
   "My mother complains all day";
   - kick [informal], plain [archaic], sound off, kvetch [N. Amer, informal], moan
    
2. Make a formal accusation; bring a formal charge
   "The plaintiff's lawyer complained that he defendant had physically abused his client"

Derived forms: complaining, complains, complained

Type of: charge

Encyclopedia: Complain