ir ‧ ri ‧ tat ‧ ing /ˈɪrəteɪtɪŋ, ˈɪrɪteɪtɪŋ/ BrE AmE adjective
an irritating habit, situation etc keeps annoying you:
He’s the most irritating man I’ve ever met.
He was smiling in a way I found very irritating.
irritating habit/characteristics/mannerisms
She has an irritating habit of interrupting.
a dry irritating cough
—irritatingly adverb