Breadcrumb Home > Dictionary > Index I Cite irritability: Meaning and Definition of Find definitions for: ir•ri•ta•bil•i•ty Pronunciation: (ir"i-tu-bil'i-t?), [key] ? pl. -ties. the quality or state of being irritable. the ability to be excited to a characteristic action or function by the application of some stimulus: Protoplasm displays irritability by responding to heat. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: irritability (Thesaurus) irriguous irritable TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: invective Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language