hot-tempered vs irascible

hot-tempered and irascible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hot-tempered	No	Yes	No	No
irascible	No	Yes	No	No

As adjectives, hot-tempered and irascible are synonyms defined as:

Other synonyms of hot-tempered include choleric, hotheaded, quick-tempered, short-tempered.

hot-tempered (adjective)	irascible (adjective)
quickly aroused to anger	characterized by anger
	quickly aroused to anger