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Adjective: grumpy (grumpier,grumpiest)  grúm-pee
  1. Annoyed and irritable
    "We've all had to deal with grumpy people";
    - crabbed, crabby, cross, fussy, grouchy [informal], bad-tempered, ill-tempered, arsey [Brit, informal]

Derived forms: grumpier, grumpiest

See also: ill-natured

Encyclopedia: Grumpy