a person whose facial expression or nature is habitually gloomy or sullen
WordReference Random House Learner's Dictionary of American English © 2025
sour•puss /ˈsaʊrˌpʊs, ˈsaʊɚ-/USA pronunciation
n. [countable][Informal.]
WordReference Random House Unabridged Dictionary of American English © 2025- Informal Termsa grouchy, often unsmiling person.
sour•puss
(souər′pŏŏs′, sou′ər-),USA pronunciation n. [Informal.]
- Informal Termsa person having a grouchy disposition that is often accompanied by a scowling facial expression.
- sour + puss2 1935–40
Collins Concise English Dictionary © HarperCollins Publishers::
'sourpuss' also found in these entries (note: many are not synonyms or translations):