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Synonyms

complain

American  
[kuhm-pleyn] / kəmˈpleɪn /

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.

    Antonyms:
    rejoice
  2. to tell of one's pains, ailments, etc..

    to complain of a backache.

  3. to make a formal accusation.

    If you think you've been swindled, complain to the police.


complain British  
/ kəmˈpleɪn /

verb

  1. to express resentment, displeasure, etc, esp habitually; grumble

  2. (foll by of) to state the presence of pain, illness, etc, esp in the hope of sympathy

    she complained of a headache

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

complain Idioms  

Related Words

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. To grumble is to utter ill-natured complaints half to oneself: to grumble about the service. Growl may express more anger than grumble : to growl in reply to a question. To whine is to complain in a meanspirited way, using a nasal tone: to whine like a coward, like a spoiled child.

Other Word Forms

  • complainable adjective
  • complainer noun
  • complainingly adverb
  • uncomplained adjective
  • uncomplaining adjective
  • uncomplainingly adverb

Etymology

Origin of complain

First recorded in 1350–1400; Middle English compleinen, from Anglo-French compleign-, stem of compleindre, Old French complaindre, from Vulgar Latin complangere (unrecorded), from Latin com- com- + plangere “to beat, lament, strike”; plaint

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Always there for him to confide in, complain to and entrust with his continually evolving thoughts on Jewish life and theology, Kaplan called these ledger-size handwritten volumes his “communings of the spirit.”

From The Wall Street Journal • Mar. 24, 2026

Consumers are quick to complain about higher prices in the grocery aisle, at the coffee shop, and especially at the pump, where gasoline is heading toward a national average of $4 a gallon.

From Barron's • Mar. 20, 2026

But she expects insurers will complain it’s too costly and threaten to leave the state if the bill is not toned down.

From Los Angeles Times • Mar. 19, 2026

“A lot of people complain that the device in their pocket takes away their time from family and friends and the things that matter most,” he said.

From MarketWatch • Mar. 18, 2026

“We’re out of ideas,” I complain to Micah.

From "A Place at the Table" by Saadia Faruqi and Laura Shovan