complainant

• POS: Noun
• HYPHEN: com=plain=ant

CIDE DICTIONARY

complainant, n. [F. complaignant, p. pr. of complaindre.].

•  One who makes complaint.  [1913 Webster]

  "Eager complainants of the dispute."  [1913 Webster]
•  One who commences a legal process by a complaint.  [1913 Webster]

  "He shall forfeit one moiety to the use of the town, and the other moiety to the use of the complainant."  [1913 Webster]

OXFORD DICTIONARY

complainant, n. Law a plaintiff in certain lawsuits.

THESAURUS

complainant

accusant, accuser, allegator, appellant, bellyacher, claimant, complainer, crab, crank, croaker, delator, faultfinder, frondeur, griper, grouch, grouser, growler, grumbler, impeacher, impugner, indictor, informer, kicker, kvetch, libelant, malcontent, murmurer, mutterer, party, petitioner, plaintiff, prosecutor, querulous person, reactionary, reactionist, rebel, sorehead, suitor, the prosecution, whiner