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irritable

 
 
/ˈɪrɪtəbl/ adjective

Definition

becoming annoyed very easily: Jack's been irritable all day.
irritability
 
 
/ˌɪrɪtəˈbɪləti/ noun [U]
irritably adverb
(Definition of irritable adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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