other words for irritant
irritant. adjective irritation, nuisance, annoyance, pain (informal), drag (informal), tease, pest, provocation, gall, goad, aggravation (informal), pain in the neck (informal), pain in the arse (taboo informal), thorn in your flesh He said the issue was not a major irritant.noun.rÂ·riÂ·tant. adj. Causing irritation, especially physical irritation. n. A source of irritation: tobacco smoke, a common eye irritant.