crabby

from WordNet (r) 3.0 (2006)

crabby
    adj 1: annoyed and irritable [syn: {crabbed}, {crabby}, {cross},
           {fussy}, {grouchy}, {grumpy}, {bad-tempered}, {ill-
           tempered}]

from The Collaborative International Dictionary of English v.0.48

Crabby \Crab"by\ (-b[y^]), a.
   Crabbed; difficult, or perplexing. "Persius is crabby,
   because ancient." --Marston.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

52 Moby Thesaurus words for "crabby":
      beefing, bellyaching, bitching, complaining, complaintful, crabbed,
      crabbing, cranky, croaking, disappointed, discontented,
      disgruntled, displeased, dissatisfied, dour, envious, faultfinding,
      gloomy, glum, griping, grouchy, grousing, growling, gruff,
      grumbling, grumbly, grumpish, grumpy, malcontent, malcontented,
      mumpish, murmuring, muttering, out of humor, peevish, petulant,
      querulant, querulous, rebellious, resentful, restive, restless,
      sulky, surly, unaccepting, unaccommodating, uneasy, unfulfilled,
      ungratified, unhappy, unsatisfied, whiny