verb (used without object) 1. to express dissatisfaction, pain, uneasiness, censure, resentment, or grief; find fault: He complained constantly about the noise in the corridor.

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com·plain [ k?m pláyn] (past and past participle com·plained, present participle com·plain·ing, 3rd person present singular com·plains) intransitive verb

intransitive verb. to claim or express pain, displeasure, etc. to find fault; declare annoyance; to make an accusation; bring a formal charge; Etymology:

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