Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun irritant

1 sense of irritant

Sense 1
irritant, thorn -- (something that causes irritation and annoyance; "he's a thorn in my flesh")
       => annoyance, bother, botheration, pain, infliction, pain in the neck, pain in the ass -- (something or someone that causes trouble; a source of unhappiness; "washing dishes was a nuisance before we got a dish washer"; "a bit of a bother"; "he's not a friend, he's an infliction")