dictionary.pt
whiner
nounmasculine/femininecolloquialuncommon/kɐjˈʃi.ɲɐʃ/quei·xi·nhas
Definition
1A person who complains frequently, often about trivial matters; a whiner.
Usage examples
“Stop being such a whiner and try to find a solution.”
“He's known in the office as the resident whiner.”