Complaining

Verb

1. Present participle of complain

Full definition of complaining

Noun

1. The act by which someone complaints; a complaint.
• 1863, Dinah Maria Craik, Mistress and maidElizabeth ... wished he were beside her, and was so glad to think he would soon be beside her always, with all his humours and weaknesses, all his little crossnesses and complainings...