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noun Uncommon

complainant

kuhm-PLAY-nuhnt

Complainant (noun) means a person who makes a formal complaint, especially in a legal or official setting. Example: “The complainant testified that she had witnessed the incident firsthand.”

noun
1
A person who makes a formal complaint, especially in a legal or official setting.
"The complainant testified that she had witnessed the incident firsthand."

How to use complainant

Learner’s notes

In plain EnglishThe person officially bringing a complaint, often in a legal case.

When to use it

Mostly used in legal and formal contexts, rather than everyday speech.

Common pairings
the complainant alleged complainant and defendant

Word forms

complainants plural

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Fill the gap

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The _____ testified that she had witnessed the incident firsthand.

Etymology

From Old French complaignant, present participle of complaindre, "to complain."

Origin: Old French

Related words

Rhymes for complainant

See all rhymes for complainant →

Frequently asked questions

What does “complainant” mean?

The word “complainant” means a person who makes a formal complaint, especially in a legal or official setting. In plain terms, the person officially bringing a complaint, often in a legal case.

How do you pronounce “complainant”?

“Complainant” is pronounced kuhm-PLAY-nuhnt (/kəmˈpleɪnənt/ in IPA).

How do you use “complainant” in a sentence?

Here is “complainant” used in a sentence: “The complainant testified that she had witnessed the incident firsthand.”

What is the opposite of “complainant”?

The opposite of “complainant” — its antonyms — are defendant and respondent.

What part of speech is “complainant”?

“Complainant” is a noun.

Where does the word “complainant” come from?

The word “complainant” comes from Old French. From Old French complaignant, present participle of complaindre, "to complain.".

Is “complainant” a common word?

“Complainant” is an uncommon word in modern English.

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Definitions: FreeDict original editorial