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Added 9 October 2026

plaintiff

/ˈpleɪntɪf/ noun

In Latin: petītor, petītrix Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about plaintiff at Wordnik → Where our words come from →

A person who brings an action in a court of law.

Origin

From Middle English plaintif, from Anglo-Norman, from Old French plaintif (“complaining”; as a noun, “one who complains, a plaintiff”) from the verb plaindre. Doublet of plaintive.

From Wiktionary, via Kaikki.org (CC BY-SA)

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