- 2. Immutable, invariable, changeless.
Irrevocable, a.
- 1. Unchangeable. See Irreversible, 1.
- 2. Incapable of recall or revocation.
Irrigate, v. a. Water, moisten, wet.
Irrigation, n. Watering.
Irritability, n.
- 1. Irascibility, fretfulness, testiness, peevishness, petulance, excitability, snappishness.
- 2. Susceptibility (to the influence of a stimulus).
- 3. Excitability, high susceptibility.
Irritable, a.
- 1. Irascible, fretful, testy, touchy, peevish, pettish, waspish, snappish, choleric, splenetic, captious, petulant,
excitable, hot, hasty, peppery, passionate, fiery.
- 2. Susceptible (to the influence of a stimulus).
- 3. Excitable, highly susceptible.
Irritate, v. a.
- 1. Provoke, nettle, chafe, incense, exasperate, enrage, anger, fret, offend, vex, annoy, tease, gall.
- 2. (Med.) Inflame (by friction), excite, stimulate.
Irritation, n.
- 1. Irritating.
- 2. Exasperation, provocation, wrath, ire, anger, passion, excitement, indignation, resentment.
- 3. (Med.) Inflammation (by friction), excitation, stimulation.