plural of complaining

That may be complained of.

simple past tense and past participle of complain

present participle of complain

The act by which someone complains; a complaint.

(law) The party that brings a civil lawsuit against another; the plaintiff. / (law) An alleged victim in a criminal investigation or trial. / One who makes complaint.

Third-person singular simple present indicative form of complain

One who complains, or is known for their complaints.

plural of complainer

plural of complainant