Meaning of “irritate” - Learner’s Dictionary

irritate

verb [ T ] uk us /ˈɪrɪteɪt/
ANNOY

to annoy someone:

His comments really irritated me.
HURT

to make a part of your body hurt:

The smoke irritated her eyes.
irritation uk us /ˌɪrɪˈteɪʃən/ noun [ C, U ]

(Definition of “irritate” from the Cambridge Learner’s Dictionary © Cambridge University Press)