- The definition of irritate is to aggravate or annoy, or to cause itchiness, inflammation or discomfort in or on the body.
- When you annoy someone, this is an example of a time when youirritate them.
- When a sweater causes you to itch and causes your skin to become red, this is an example of when your sweaterirritates the skin.
Mom is irritating her son.
transitive verbirritated, irritating
- to excite to anger; provoke; annoy; exasperate
- to cause (an organ or part of the body) to be inflamed or sore
- Physiol. to excite (an organ, muscle, etc.) to a characteristic action or function by a stimulus
Origin of irritate; from Classical Latin irritatus, past participle of irritare, to excite, stimulate, irritate ; from ir-, in- + Indo-European base an unverified form erei-, to excite, agitate from source roam
verbir·ri·tat·ed, ir·ri·tat·ing, ir·ri·tates
- To cause (someone) to feel impatient or angry; annoy: a loud, bossy voice that irritates listeners. See Synonyms at annoy.
- To make sore or inflamed: The smoke irritated my eyes.
- Physiology To cause a physiological response to a stimulus in (a cell, body tissue, or organism).
Origin of irritateLatin irrītāre, irrītāt-.
(third-person singular simple present irritates, present participle irritating, simple past and past participle irritated)
From Latin irritatus, past participle of irritare (“to excite, irritate, incite, stimulate”)