
1) Agent of annoyance 2) Annoyance 3) Bother 4) Botheration 5) Cause of a rash 6) Cigar smoke, to some 7) French word used in English 8) Infliction 9) Irritating 10) Pain 11) Pain in the ass 12) Pain in the neck 13) Poison ivy sap 14) Sand in a shoe, IE 15) Tear gas 16) Tending to cause irritation 17) Thorn
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https://www.crosswordclues.com/clue/irritant

1) Aggravator 2) Irritation 3) Nettler 4) Pest 5) Thorn 6) Vexer
Found on
https://www.crosswordclues.com/clue/irritant

• (a.) Irritating; producing irritation or inflammation. • (n.) Any agent by which irritation is produced; as, a chemical irritant; a mechanical or electrical irritant. • (n.) A poison that produces inflammation. • (a.) Rendering null and void; conditionally invalidating. • (n.) That which irritates or excites.Irritant: wor...
Found on
http://thinkexist.com/dictionary/meaning/irritant/

Causes irritation or inflammation of the skin.
Found on
http://www.ccnphawaii.com/glossary-i.htm

A substance that produces an irritation effect when it contacts skin, eyes, nose, or respiratory system.
Found on
http://www.chemicalglossary.net/definition/973-Irritant

A substance with the ability to cause irritation at point of contact with the body. See Primary Irritant and Secondary Irritant.
Found on
http://www.encyclo.co.uk/local/20474

This refers to any substance that causes inflammation following immediate, prolonged, or repeated contact with skin or mucous membranes. ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(ir´ĭ-tәnt) causing irritation. an agent that causes irritation.
Found on
http://www.encyclo.co.uk/local/21001

A substance that causes irritation of the skin, eyes, or respiratory system. Effects may be acute from a single high-level exposure, or chronic from repeated low-level exposures to such compounds as chlorine, nitrogen dioxide, and nitric acid.
Found on
http://www.encyclo.co.uk/local/21292

An agent that produces chafing, soreness, or inflammation, especially to the skin.
Found on
http://www.encyclo.co.uk/local/21516

This descriptor is applied to any substance causing inflammation following immediate, prolonged, or repeated contact with skin or mucous membrane.
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http://www.encyclo.co.uk/visitor-contributions.php
Ir'ri·tant adjective [ Late Latin
irritants ,
-antis , present participle of
irritare to make null, from Latin
irritus void; prefix
ir- not +
ratus established.]
(Scots Law) Rendering null and void; conditionally invalidating. « The states elec...
Found on
http://www.encyclo.co.uk/webster/I/100
Ir'ri·tant noun [ Confer French
irritant .]
1. That which irritates or excites.
2. (Physiol. & Med.) Any agent by which irritation is produced; as, a chemical
irritant ; a mechanical or electrical
irritant .
3. (Toxicology) A poison that pr...
Found on
http://www.encyclo.co.uk/webster/I/100

Type: Term Pronunciation: ir′i-tănt Definitions: 1. Irritating; causing irritation. 2. Any agent with this action.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=45749

[
n] - something that causes irritation and annoyance
Found on
http://www.webdictionary.co.uk/definition.php?query=irritant

annoying to the skin
Found on
https://sciencetrek.org/sciencetrek/topics/bees/glossary.cfm

A substance that can cause irritation of the skin, eyes, or respiratory system. Effects may be acute from a single high level exposure, or chronic from repeated low-level exposures to such compounds as chlorine, nitrogen dioxide, and nitric acid.
Found on
https://www.encyclo.co.uk/local/20094
thorn noun something that causes irritation and annoyance; `he`s a thorn in my flesh`
Found on
https://www.encyclo.co.uk/local/20974

tending to cause irritation; irritating.
Found on
https://www.infoplease.com/dictionary/irritant
No exact match found.