Related Clues:

• Ill-humored
• In a foul mood
• With a short fuse
• Not easygoing
• Thin-skinned
• Ready to snap
• In a snit
• Short-fused
• Easily upset
• In a bad mood
• Liable to lose it
• Irritable and impatient, e.g.
• Inclined to snap
• Easily angered
• Having little patience