<p><strong>Verb:</strong></p><ul><li>to express dissatisfaction, pain, uneasiness, censure, resentment, or grief; find fault: He complained constantly about the noise in the corridor.</li><li>to tell of one's pains, ailments, etc.: to complain of a backache.</li><li>to make a formal accusation: If you think you've been swindled, complain to the police.</li></ul>