/ əˈnɔɪ; NAmE / verb
1.
to make sb slightly angry
SYN irritate :
[ vn ]
His constant joking was beginning to annoy her.
It really annoys me when people forget to say thank you.
[ vn to inf ]
It annoys me to see him getting ahead of me.
2.
[ vn ] to make sb uncomfortable or unable to relax
SYN bother :
He swatted a fly that was annoying him.
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WORD ORIGIN
Middle English (in the sense be hateful to ): from Old French anoier (verb), anoi (noun), based on Latin in odio in the phrase mihi in odio est it is hateful to me.