Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “plaintiff”


noun [C]
/ˈpleɪntɪf/ LAW
a person or company that makes a legal complaint about someone else in a court of law: The plaintiff claimed damages for the financial losses suffered through breach of copyright. Judges in three states have sided with the plaintiffs. → Compare claimant, complainant, defendant
(Definition of plaintiff from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of plaintiff?
Browse related topics

You are looking at an entry to do with Taking legal action, but you might be interested in these topics from the Trials and court cases topic area:

Add Cambridge dictionaries to your browser to your website

More Business English definitions for “plaintiff”

Definitions of “plaintiff” in other dictionaries

Word of the Day


(done by) moving the arm below shoulder level

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More