short-tempered (adj.)

• abrupt
• acerbic
• acid
• acidulous
• acrimonious
• bearish
• bluff
• brusque
• caustic
• crabbed
• crabby
• crusty
• curt
• disagreeable
• discourteous
• grouchy
• gruff
• irascible
• irritable
• peevish
• peremptory
• petulant
• rude
• short
• shrewish
• snappish
• surly
• tart
• terse
• testy
• touchy
• waspish