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English Dictionary - With Multi-Lingual Search Definitions irritability noun  The state or quality of being irritable; quick excitability; petulance; fretfulness; as, irritability of temper. (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. Etymology: From irritabilitas      Full Definition of irritability  Find:   Words Starting With:   Words Ending With:   Words Containing:   Words That Match:    Translate Into:    Dutch   French   German    Italian   Spanish     Show 51015202550 results per page. Enter your search terms Submit search form   Web www.allwords.com Browse the Dictionary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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