vexatiousold-fashioned or formal
SMART Vocabulary: related words and phrases Annoying
accursed
aggravating
annoying
annoyingly
ball-ache
exasperatingly
frustratingly
gadfly
galling
gallingly
irritatingly
limit
maddening
mither
naggingly
spiteful
stupid
trying
vexatious
vexatiously
Related word
irritatingly
irritating | American Dictionary
irritating
adjective
us/ˈɪr·ɪˌteɪ·t̬ɪŋ/
making you feel annoyed or angry:
There was one irritating delay after another.