a thorn in someone's side
• a source of continual annoyance or trouble.
• "the pastor has long been a thorn in the side of the regime"
Similar:
annoyance,
irritant,
irritation,
source of irritation,
source of vexation,
source of annoyance,
pinprick,
pest,
bother,
trial,
torment,
plague,
inconvenience,
nuisance,
menace,
aggravation,
peeve,
pet peeve,
pain,
pain in the neck,
bind,
bore,
headache,
hassle,
nyaff,
skelf,
pain in the butt,
nudnik,
burr in/under someone's saddle,
fair cow,
nark,
pain in the arse,
pain in the ass,
