verb com·plain \kəm-ˈplān\

: to say or write that you are unhappy, sick, uncomfortable, etc., or that you do not like something

: to say (something that expresses annoyance or unhappiness)

Full Definition of COMPLAIN

intransitive verb
:  to express grief, pain, or discontent <complaining about the weather>
:  to make a formal accusation or charge
com·plain·er noun
com·plain·ing·ly \-ˈplā-niŋ-lē\ adverb

Examples of COMPLAIN

  1. He works hard but he never complains.
  2. If you're unhappy with the service, you should complain to the manager.
  3. The students complained that the test was too hard.
  4. These shoes are too tight, he complained.

Origin of COMPLAIN

Middle English compleynen, from Anglo-French compleindre, from Vulgar Latin *complangere, from Latin com- + plangere to lament — more at plaint
First Known Use: 14th century


intransitive verb com·plain \kəm-ˈplān\   (Medical Dictionary)

Medical Definition of COMPLAIN

:  to speak of one's illness or symptoms <the patient visited the office complaining of weight loss>


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