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Definition of complainer

complainer

/kəmˈpleɪnər/
com · plain · er
Adverb:complainingly
•
Plural:complainers
•
Adjective:complaining
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complainer Lexical Profile

complainer Game Scores & Validity

• noun

1

A person who habitually or frequently expresses dissatisfaction, annoyance, or resentment about things.

Example

"The manager tried to address the valid concerns of the staff without giving in to every chronic complainer in the office."

Synonyms
View all synonyms for complainer
Antonyms
View all antonyms for complainer

Word Nuance & Usage

While 'complainer' refers broadly to anyone who habitually voices dissatisfaction, 'complainant' is a formal legal term reserved specifically for a plaintiff or accuser in a court or administrative proceeding.

• Rhymes for complainer

• Nearby Words

complacently
complain
complainant
complainer
complainingly
complaint
complement

Word Origin & Etymology

Formed in Middle English from the verb 'complain' (derived via Old French 'complaindre' from Vulgar Latin 'complangere', meaning 'to lament' or 'to beat the breast') plus the agentive suffix '-er'.

Cite this Entry

Wordmom. (2026). Definition of Complainer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/complainer
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