irritant Synonyms

thorn thorn in one's flesh vexation trouble trial torment ragweed problem pollen plague pesterer pest pain nuisance worry antigen thorn in someone's flesh source of irritation source of annoyance pests thorn in someone's side nudnik pain in the neck pain in the ass peeve hassle allergen aggravator aggro menace irritative irritation dander burden bugbear botheration bother bind besetment bore bane badgerer annoyance annoying albatross difficulty drag irritating irritancy inhibitor