sourpuss
Definitions
A person who is habitually gloomy, sullen, or ill-tempered.
A person who expresses frequent dissatisfaction or disapproval.
Examples
Don't be such a sourpuss just because we have to work on a Saturday.
The old man was known as the neighborhood sourpuss because he always yelled at kids to stay off his lawn.
Synonyms
Antonyms
optimist sunshine joy happy camper cheerful person enthusiast life of the party