definition of
complain

[1] #1 complain v. [kick, plain, sound off, quetch, kvetch] express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about". wn

[2] #2 complain v. make a formal accusation; bring a formal charge; "The plaintiff's lawyer complained that he defendant had physically abused his client". wn