1. Quickly aroused to anger
   - choleric, irascible, hotheaded, hot-tempered, short-tempered

See also: ill-natured

• speedy
• Speer
• speiss
• Speke
• spelaeologist
• spelaeology
• speleologist
• speleology
• spell
• spell out
• spell-checker
• spellbind
• spellbinder
• spellbinding
• spellbound
• spellcheck
• spelldown
• speller
• spelling
• spelling bee
• spelling checker
• spelling contest
• spelt
• spelter
• spelunk