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



BrE BrE//ˈtesti//
; NAmE NAmE//ˈtesti//
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easily annoyed or irritated synonym irritable The old man sounded testy. Word Origin late Middle English (in the sense ‘headstrong, impetuous’): from Anglo-Norman French testif, from Old French teste ‘head’, from Latin testa ‘shell’.
See the Oxford Advanced American Dictionary entry: testy