complaining /kəmˈpleɪn.ɪŋ/adjective 1noun 1forms 3 adjective1 •Continuously expressing dissatisfaction or annoyance. noun1 •The act by which someone complains; a complaint.Elizabeth[…]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 ;[…] — 1863 formscomplainings · more complaining · most complaining