Complain ¹

Definition: To give utterance to expression of grief, pain, censure, regret. etc.; to lament; to murmur; to find fault; commonly used with of. Also, to creak or squeak, as a timber or wheel.

Complain ²

Definition: To make a formal accusation; to make a charge.

Complain ³

Definition: To lament; to bewail.

complain ⁴

Definition: make a formal accusation; bring a formal charge; "The plaintiff''s lawyer complained that he defendant had physically abused his client"

complain ⁵

Definition: express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about"