irritate
ir·ri·tate
verb
1.
2.
3.
excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus
- “irritate the glands of a leaf”
Origin
Borrowed from Latin irritātus, perfect passive participle of irritō (“to invalidate, render void, annul”) (see -ate (verb-forming suffix)), from irritus (“invalid”), the equivalent of in- + ratus (“valid, established, fixed”).
Related words
Word family
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.