verb

1. To disturb or irritate, especially by continued or repeated acts; to bother with unpleasant deeds.

   “Marc loved his sister, but when she annoyed him he wanted to switch her off.”

2. To do something to upset or anger someone; to be troublesome.

3. To molest; to harm; to injure.

   “to annoy an army by impeding its march, or by a cannonade”

Synonyms: bother, bug, hassle, irk, irritate, nag, pester

adjective

1. Troubled, irritated by something unwanted or unliked (an annoyance); vexed.