Definition of tetchy adjective from the Oxford Advanced Learner's Dictionary

 

tetchy

 adjective
adjective
BrE BrE//ˈtetʃi//
 
; NAmE NAmE//ˈtetʃi//
 
Anger
 
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bad-tempered; likely to get angry easily or without good reason synonym irritable He sounded tetchy when I asked him where he’d been. See related entries: Anger Word Origin late 16th cent.: probably from a variant of Scots tache ‘blotch, fault’, from Old French teche.