irascible vs hot-tempered

irascible and hot-tempered both are adjectives.

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

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

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

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