Meaning of “irritable” - Learner’s Dictionary

irritable

adjective us uk /ˈɪrɪtəbl/

becoming annoyed very easily:

Jack's been irritable all day.
irritability noun [ U ] us uk /ˌɪrɪtəˈbɪləti/
irritably adverb

(Definition of “irritable” from the Cambridge Learner’s Dictionary © Cambridge University Press)