headlong

I. a.

1.

Rash, inconsiderate, hasty, heady, reckless, thoughtless, impulsive, perilous, dangerous, ruinous, precipitate.

2.

Rushing precipitately, wildly tumbling.

3.

Steep, precipitous, sheer.

II. ad.

1.

Rashly, hastily, precipitately, head-foremost, thoughtlessly, without deliberation.

2.

Hastily, hurriedly, without pause, without respite.

3.

At a rush, hurriedly, full tilt, helter-skelter, pell-mell, hurry-skurry.

4.

Prone, head-foremost, heels over head, on one's head, sheer downward.