irritability

== English == === Etymology === From Latin irritabilitās, equivalent to irritable +‎ -ity. === Pronunciation === IPA(key): /ˌɪɹɪtəˈbɪlɪti/ === Noun === irritability (countable and uncountable, plural irritabilities) The state or quality of being irritable; quick excitability. (physiology) A natural susceptibility, characteristic of all living organisms, tissues, and cells, to the influence of certain stimuli, response being manifested in a variety of ways. (medicine) A condition of morbid excitability of an organ or part of the body; undue susceptibility to the influence of stimuli. ==== Synonyms ==== (state of being irritable): petulance, fretfulness ==== Derived terms ==== ==== Translations ==== === References === William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “irritability”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC. “irritability”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.