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irreverent
irreversible
irrevocable
irrevocable trust
irrigate
irritable
irritable bowel syndrome
irritant
irritate
irritation
irrupt
irruption
irruptive
IRS
Irtysh
Irvine
Irvington
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irritate

ir·ri·tate [ írri tàyt ] (past and past participle ir·ri·tat·ed, present participle ir·ri·tat·ing, 3rd person present singular ir·ri·tates)


verb 
Definition:
 
1. transitive and intransitive verb annoy somebody: to cause somebody to feel annoyance or exasperation, or cause annoyance or exasperation

2. transitive verb medicine inflame body part: to stimulate a body part excessively, causing a painful reaction such as inflammation

3. transitive verb biology stimulate organism: to stimulate an organism in a way that provokes a response

[Mid-16th century. < Latin irritat-, past participle of irritare "provoke"]

ir·ri·tat·ing adjective
ir·ri·tat·ing·ly adverb
ir·ri·ta·tive adjective
ir·ri·ta·tor noun

Word Key: Synonyms

See annoy.

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