antagonise vs irritate

antagonise and irritate both are verbs.

Word	Noun	Adjective	Verb	Adverb
antagonise	No	No	Yes	No
irritate	No	No	Yes	No

As verbs, irritate is a hypernym of antagonise; that is, irritate is a word with a broader meaning than antagonise:

Other hypernyms of antagonise include annoy, bother, chafe, devil, get at, get to, gravel, nark, nettle, rag, rile, vex.

antagonise (verb)	irritate (verb)
provoke the hostility of	excite to an abnormal condition, or chafe or inflame
act in opposition to	excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus
	cause annoyance in; disturb, especially by minor irritations