GRE testy Definition Easily irritated or annoyed; irritable. Example "He became testy after working for 12 hours without a break." Sign in to save GRE Quiz → ← testimony tether → Study tips featuring "testy" Force Contrast Between Two Similar Words Uncover the Hidden Stories Behind GRE Words Write GRE Words Into Your Own Sentences Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant