grumbler
nounmasculinecoloquial/ʁɨʒmũˈgɐ̃w̃/medium
res·mun·gão
Definition
A person who grumbles frequently, who complains in an irritable or bad-tempered way.
My grandfather is a real grumbler when the weather is cold.
Don't be such a grumbler and help us!
Common collocations
old grumblerbe a grumbler
Etymology
Derivado do verbo 'resmungar'.