irritant
noun
[ ˈɪrɪt(ə)nt ]
• a substance that causes slight inflammation or other discomfort to the body.
• "a powerful skin irritant"
• a thing that is continually annoying or distracting.
Similar:
annoyance,
irritation,
source of irritation,
source of vexation,
source of annoyance,
thorn in someone's side/flesh,
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,
irritant
adjective
• causing slight inflammation or other discomfort to the body.
• "chlorine bleaches can be irritant to the skin"