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Webster 1913 Edition

Adj.

quickly and easily aroused to anger; fiery; violent; rash; hasty; impetuous; vehement;

as, a

hot-headed

commander

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Macaulay.

Syn. – choleric, irascible, hotheaded, hot-tempered, quick-tempered, short-tempered.

See also: hotheaded

hot-headed ‎(comparative more hot-headed, superlative most hot-headed)