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WordReference Random House Unabridged Dictionary of American English © 2024ir•ri•ta•bil•i•ty (ir′i tə bil′i tē),USA pronunciation n., pl. -ties. - the quality or state of being irritable.
- Physiologythe ability to be excited to a characteristic action or function by the application of some stimulus:Protoplasm displays irritability by responding to heat.
- Latin irrītābilitās. See irritable, -ity
- 1745–55
WordReference Random House Learner's Dictionary of American English © 2024ir•ri•ta•ble /ˈɪrɪtəbəl/USA pronunciation adj. - easily irritated or annoyed; readily becoming impatient or angry:was irritable with fatigue and worry.
ir•ri•ta•bil•i•ty /ˌɪrɪtəˈbɪlɪti/USA pronunciation n. [uncountable] ir•ri•ta•bly, adv. WordReference Random House Unabridged Dictionary of American English © 2024ir•ri•ta•ble (ir′i tə bəl),USA pronunciation adj. - easily irritated or annoyed;
readily excited to impatience or anger. - Physiologydisplaying irritability.
- Pathologysusceptible to physical irritation.
- Medicineabnormally sensitive to a stimulus.
- Latin irrītābilis, equivalent. to irrītā(re) to irritate + -bilis -ble
- 1655–65
- 1.See corresponding entry in Unabridged snappish, petulant, resentful. Irritable, testy, touchy, irascible are adjectives meaning easily upset, offended, or angered. Irritable means easily annoyed or bothered, and it implies cross and snappish behavior:an irritable clerk, rude and hostile; Impatient and irritable, he was constantly complaining.Testy describes the same kind of behavior or response, particularly to minor annoyances:always on edge, testy and sharp in response; testy and petulant, resenting any interruption.Touchy emphasizes oversensitivity and readiness to take offense, even when none is intended:especially touchy about any reference to obesity.Irascible means habitually angry or easily aroused to anger:an irascible tyrant, roaring at employees for the slightest error.
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