1. Quickly aroused to anger
   "a hotheaded commander"
   - choleric, irascible, hot-tempered, quick-tempered, short-tempered 
2. Characterized by undue haste and lack of thought or deliberation
   "a hotheaded decision"
   - impulsive, impetuous, madcap, tearaway, brainish [archaic]

See also: ill-natured, incautious

• stagger
• stagger head
• staggerbush
• staggered board of directors
• staggered head
• staggerer
• staggering
• staggeringly
• staggers
• staghead
• staghorn coral
• staghorn fern
• staghorn moss
• staghorn sumac
• staghound
• stagily
• staginess
• staging
• staging area
• Stagira
• Stagirus
• stagnancy
• stagnant
• stagnant anoxia
• stagnant hypoxia