complaint

Etymology

From Middle English compleynte, from Anglo-Norman compleint, from Old French compleindre, eventually from Latin planctus (whence plaint).

noun

1. The act of complaining.
   Complaints have risen in particular from passengers changing trains, who have observed little or no improvement in their ability to navigate between the station's 13 platforms. July 29 2020, Paul Stephen, “A new collaboration centred on New Street”, in Rail, page 54
2. A grievance, problem, difficulty, or concern.
   I have no complaints about the quality of his work, but I don't enjoy his company.
3. (law) In a civil action, the first pleading of the plaintiff setting out the facts on which the claim is based;
4. (law) In criminal law, the preliminary charge or accusation made by one person against another to the appropriate court or officer, usually a magistrate.
5. A bodily disorder or disease; the symptom of such a disorder.
   Don't come too close; I've got this nasty complaint.