Something that causes anxiety or is grievous or oppressive.
(Law) A use of property or course of conduct that interferes with the legal rights of others by causing damage, annoyance, or inconvenience.
A source of continuing, increasing irritation or trouble.
(Physiology) The elicitation of a response to a stimulus in a plant or animal organ or tissue, especially in a nerve or muscle.
A vexation; a grievance:
Anything that afflicts or troubles; calamity; scourge
(Obs.) An instrument of torture or the torture inflicted
The condition of being vexed; annoyance:
The wood of any of these trees
Find another word for irritant. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for irritant, like: annoyance, bother, burden, nuisance, trouble, aggravation, besetment, irritation, peeve, plague and torment.