The Oxford Thesaurus An A-Z Dictionary of Synonyms - hasty adj.

1) quick, speedy, swift, rapid, fast, brisk, prompt, immediate, instantaneous: He made a hasty departure so as not to be late. 2) careless, rash, precipitate, impetuous, impulsive, reckless, thoughtless, unthinking, incautious, heedless, ill-considered, inconsiderate: His was a hasty decision. 3) quick, speedy, cursory, superficial, fleeting, passing, slapdash, perfunctory, momentary, brief: I had a hasty look at the contract, which seemed all right. 4) irritable, quick-tempered, irascible, testy, passionate, impatient, hot-tempered, petulant, waspish, volatile, contentious, choleric, splenetic, bearish, short-tempered, US and Canadian and Irish cranky: Grandfather needn't have been so hasty with the poor child.