irresponsibly

haphazardly hastily negligently nonchalantly sloppily

incautiously

inattentively neglectfully offhandedly rashly thoughtlessly unconcernedly unmindfully without care without concern

headlong

abruptly boldly carelessly daringly excitedly expeditiously feverishly fiercely foolishly frantically furiously hastily headily headstrongly heedlessly hurriedly ill-advisedly impetuously imprudently impulsively inadvisedly incautiously indiscreetly indomitably madly passionately precipitantly precipitately precipitously recklessly speedily thoughtlessly unpreparedly unthinkingly unwarily unwisely wildly