Grump
//ɡɹʌmp// noun, verb, slang
noun, verb, slang ·Moderate ·College level
Definitions
Noun
- 1 A habitually grumpy or complaining person. informal
- 2 a bad-tempered person wordnet
- 3 A grumpy mood. informal
"If you're not taking Action to change the situation, either sit in a grump or Accept it."
Verb
- 1 To complain. informal, intransitive
"Grumping to himself as he made up his own bed, Bradly thought, "Have to wash that blanket; young blighter going to bed with all that mud on his feet.""
- 2 To be grumpy. informal, intransitive
Example
More examples"That grump is quick to blow his top when you tease him."
Etymology
Uncertain. Possibly altered from grum, see there for more.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.