i Register
In some senses, annoy is marked as archaic, literary. Watch for register when choosing this word.
ADV
intensely, really
It really annoys me when my roommate leaves dirty dishes in the sink.
slightly
VERB + ANNOY
be beginning to
His constant complaining is beginning to annoy everyone in the office.
PHRASES
do sth just/only to annoy sb
My little brother deliberately leaves his toys on the stairs just to annoy me.