irascible vs quick-tempered

irascible and quick-tempered both are adjectives.

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

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

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

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