Grump

//ɡɹʌmp// noun, verb, slang

noun, verb, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A habitually grumpy or complaining person. informal
  2. 2
    a bad-tempered person wordnet
  3. 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. 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. 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.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.