complain /kəmˈpleɪn/ verb4 •to say in an unhappy or angry way that something is bad, wrong or unfairJoe was always complaining about the noise made by his neighbours. •To state the presence of something negative; to indicate that one is suffering from something; to report (e.g.) a symptom.The patient complained of headache, nausea, and joint pain. •To make a formal accusation or bring a formal charge.They've complained about me to the police again. •To creak or squeak, as a timber or wheel.the complaining bed-springs formscomplained · complaining · complaineth · complains · complainest