Medical Definition of irritability
1: the property of protoplasm and of living organisms that permits them to react to stimuli
2a: quick excitability to annoyance, impatience, or angerb: abnormal or excessive excitability of an organ or part of the body (as the stomach or bladder)
Learn More about irritability
Dictionary: Definition of "irritability" Thesaurus: All synonyms and antonyms for "irritability" Spanish Central: Translation of "irritability" Nglish: Translation of "irritability" for Spanish speakers Britannica English: Translation of "irritability" for Arabic speakers Britannica.com: Encyclopedia article about "irritability"
Seen and Heard
What made you want to look up irritability? Please tell us where you read or heard it (including the quote, if possible).