Synonyms of irritant in English:

irritant

noun

  • in 1966 Vietnam was becoming an irritant to the Labour government
    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
    Scottish informal nyaff, skelf
    North American informal pain in the butt, nudnik, burr in/under someone's saddle
    Australian/New Zealand informal nark
    British vulgar slang pain in the arse
    [Antonyms] help, pleasure
  • Definition of irritant in:

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    Word of the day envenom
    Pronunciation: ɪnˈvɛnəm
    verb
    put poison on or into; make poisonous