Definition of plaintiff in English:


Syllabification: plain·tiff
Pronunciation: /ˈplāntif


  • A person who brings a case against another in a court of law. Compare with defendant.
    More example sentences
    • The defendants negligently told the plaintiffs that X was much wealthier than in fact he was.
    • The plaintiffs sued the defendant alleging that he had been negligent in a number of ways.
    • Several years later the plaintiff gave the defendant notice to quit under the lease agreement.


late Middle English: from Old French plaintif 'plaintive' (used as a noun). The -f ending has come down through Law French; the word was originally the same as plaintive.

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