[kuh m-pley-nuh nt]


a person, group, or company that makes a complaint, as in a legal action.

Origin of complainant

1375–1425; late Middle English < Anglo-French compleignant (present participle of compleindre). See complain, -ant Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for complainant

plaintiff, accuser, claimant, suer

Examples from the Web for complainant

Contemporary Examples of complainant

Historical Examples of complainant

British Dictionary definitions for complainant



law a person who makes a complaint, usually before justices; plaintiff
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for complainant

early 15c., from Old French complaignant, present participle of complaindre (see complain). The present participle also was used as a noun in Middle French.

Online Etymology Dictionary, © 2010 Douglas Harper