irritable

Adjective

WordNet 3.0

Adjective (3)

  1. easily irritated or annoyed“an incorrigibly fractious young man”“not the least nettlesome of his countrymen”Synonyms: crankyfractiousnettlesomepeevishpeckishpettishpetulantscratchytestytetchytechy
  2. abnormally sensitive to a stimulus
  3. capable of responding to stimuliSynonyms: excitable
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Webster's Dictionary (GCIDE)

Irritable \Ir"ri*ta*ble\, a. [L. irritabilis: cf. F. irritable. See Irritate.] [1913 Webster]

1.Capable of being irritated. [1913 Webster]

2.Very susceptible of anger or passion; easily inflamed or exasperated; as, an irritable temper. [1913 Webster]

Vicious, old, and irritable.— Tennyson.[1913 Webster]

3.(Physiol.) Endowed with irritability; susceptible of irritation; capable of being excited to action by the application of certain stimuli. [1913 Webster]

4.(Med.) Susceptible of irritation; unduly sensitive to irritants or stimuli. See Irritation, n., 3.

Syn: Excitable; irascible; touchy; fretful; peevish. [1913 Webster]

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