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

See also: ill-natured

• derecognize
• dereference
• deregulate
• deregulating
• deregulation
• derelict
• dereliction
• derequisition
• derestrict
• deride
• derision
• derisive
• derisively
• derisorily
• derisory
• derivable
• derivate
• derivation
• derivational
• derivational morphology
• derivative
• derivative instrument
• derive
• derived
• derived function