headfirst Synonyms

headlong headforemost hell-bent for leather slap bang hurriedly heedlessly haphazardly ad lib suddenly spontaneously hotheadedly head foremost impetuously by the seat of your pants thoughtlessly somersaulting recklessly precipitously overhastily on impulse offhandedly slapdash slam-bang hastily glancingly forward diving cursorily carelessly automatically accelerative headily hotfoot rashly prefrontal precipitately pell-mell offhand impulsively impromptu impatiently abruptly