The meaning of COMPLAIN is to express grief, pain, or discontent. How to use complain in a sentence.

COMPLAIN definition: 1. to say that something is wrong or not satisfactory: 2. to tell someone formally that something…. Learn more.

To complain is to protest against or lament a condition or wrong: to complain about high prices. To grumble is to utter surly, ill-natured complaints half to oneself: to grumble about the service.

Complain, grumble, growl, whine are terms for expressing dissatisfaction or discomfort. To complain is to protest against or lament a wrong: to complain about high prices.

In legal terminology, a complaint is any formal legal document that sets out the facts and legal reasons (see: cause of action) that the filing party or parties (the plaintiff (s)) believes are …

Dec 14, 2025 · complain (third-person singular simple present complains, present participle complaining, simple past and past participle complained) (intransitive) To express feelings of …

Definition of complain verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

COMPLAIN definition: to express dissatisfaction, pain, uneasiness, censure, resentment, or grief; find fault. See examples of complain used in a sentence.

To complain is to protest against or lament a wrong: to complain about high prices. To grumble is to utter ill-natured complaints half to oneself: to grumble about the service. growl may express …

COMPLAIN meaning: 1 : to say or write that you are unhappy, sick, uncomfortable, etc., or that you do not like something often + about or of; 2 : to say (something that expresses annoyance …