Below are possible answers for the crossword clue Irritant.
4 letter answer(s) to irritant
PEST
a persistently annoying person
a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
any epidemic disease with a high death rate
any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.; "he sprayed the garden to get rid of pests"; "many pests have developed resistance to the common pesticides"
5 letter answer(s) to irritant
THORN
a Germanic character of runic origin
a small sharp-pointed tip resembling a spike on a stem or leaf
something that causes irritation and annoyance; "he's a thorn in my flesh"
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