fast hastily quickly rapidly speedily swiftly briskly posthaste apace expeditiously headlong precipitately hotfoot cursorily precipitously rashly promptly fastly fleetly snappily abruptly immediately suddenly instantaneously summarily instantly perfunctorily fleetingly briefly quick shortly flyingly expressly passingly pronto unhesitatingly superficially swift nimbly desultorily momentarily presto punctually transitorily nippily casually directly unexpectedly readily soon temporarily blisteringly transiently energetically overhastily unceremoniously vigorously hot sharply spiritedly precipitantly straightaway dismissively impulsively unpremeditatedly spontaneously impetuously rudely incidentally rattlingly heedlessly early livelily agilely haphazardly discourteously actively furiously impolitely sketchily ephemerally carelessly fugitively smartly violently dizzily busily hotly breathlessly splittingly inattentively madly glancingly surprisingly unpreparedly slightly spryly jerkily anticipatorily uncivilly