GRE grumpy Definition Easily annoyed or irritable; in a bad mood. 日本語 易々に怒りやすい Example "She was grumpy until she had her morning coffee." Sign in to save GRE Quiz → ← grumble guarantee → Study tips featuring "grumpy" Force Contrast Between Two Similar Words Uncover the Hidden Stories Behind GRE Words Write GRE Words Into Your Own Sentences Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant