adj.
Pronunciation: ' tes-t ē
Function: adjective
Inflected Form: tes · ti · er ; -est
Etymology: Middle English testif, from Anglo-French, headstrong, from teste head ― more at TESTER
Date: 1523
1 : easily annoyed : IRRITABLE
2 : marked by impatience or ill humor < testy remarks>
– tes · ti · ly \ -t ə -l ē \ adverb
– tes · ti · ness \ -t ē -n ə s \ noun