noun
irritability
ih-rih-tuh-BIH-lih-tee
noun
1
A tendency to become annoyed or angry easily.
"Lack of sleep left him with noticeable irritability all week."
2
(biology) The natural ability of a living cell or organism to react to a stimulus.
"Muscle tissue shows high irritability, reacting quickly to nerve signals."
How to Use Irritability
Learner’s notesIn plain EnglishHow easily something (a person, or in science, a cell) reacts or gets annoyed.
Common pairings
signs of irritability
muscle irritability
Word Forms
irritabilities plural
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Lack of sleep left him with noticeable _____ all week.
Etymology
From Latin irritabilitas, formed from irritable plus -ity.