Synonym of hasty

fleetly posthaste at once full tilt more rapidly lickety split double-quick

quick speedy hurried swift rapid rushed fast abrupt careless expeditious ill-advised impulsive reckless sudden urgent PDQ agile brash breakneck brief brisk chop-chop cursory eager fiery fleet fleeting foolhardy harefooted headlong heedless impatient impetuous incautious inconsiderate madcap on the double passing perfunctory precipitate prompt pronto quickened quickie rash short slambang slapdash snappy superficial thoughtless