adjective

done with excessive speed or urgency; hurried.

a hasty attempt to defuse the situation

quick,hurried,fast,swift,rapid,speedy,brisk,hurrying,expeditious,cursory,perfunctory,brief,short,fleeting,passing,flying,transitory,fleet,rathe,rash,impetuous,impulsive,reckless,precipitate,precipitous,incautious,imprudent,spur-of-the-moment,premature,ill-considered,unconsidered,unthinking,ill-advised,ill-judged,injudicious,temerarious