Complaint

Expression of grief, regret, pain, censure, or resentment; lamentation; murmuring; accusation; fault-finding.

Cause or subject of complaint or murmuring.

An ailment or disease of the body.

A formal allegation or charge against a party made or presented to the appropriate court or officer, as for a wrong done or a crime committed (in the latter case, generally under oath); an information; accusation; the initial bill in proceedings in equity.

an often persistent bodily disorder or disease; a cause for complaining

(criminal law) a pleading describing some wrong or offense; "he was arrested on a charge of larceny"

(civil law) the first pleading of the plaintiff setting out the facts on which the claim for relief is based

an expression of grievance or resentment