irritability

Meaning

Noun

• The state or quality of being irritable; quick excitability
• 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.
• A condition of morbid excitability of an organ or part of the body; undue susceptibility to the influence of stimuli.

Related

Similar words

• petulance, fretfulness

Origin

• From Latin irritabilitās.