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Dictionary

ir•ri•tate

Pronunciation: (ir'i-tāt"), [key]
—v., -tat•ed, -tat•ing.

—v.t.
1. to excite to impatience or anger; annoy.
2. Physiol., Biol.to excite (a living system) to some characteristic action or function.
3. Pathol.to bring (a body part) to an abnormally excited or sensitive condition.

—v.i.
to cause irritation or become irritated.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

irritant

irritated

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