headlong

adv

1. headforemost, headfirst, head-on, diving, in a dive, plunging, in a nose dive.

2. quickly, speedily, hurriedly; promptly, instantly, straightway, Sl. pronto, in a wink, in a jiffy, in a trice, in an instant, double-quick, Inf. like greased lightning, like a shot, like a thunderbolt, Sl. like mad, Sl. like a bat out of hell; directly, at once, without delay, in less than no time, before one can say "Jack Robinson," before the ink is dry, Sl.P.D.Q., Inf. lickety-split; swiftly, rapidly, fast, full tilt, full pelt, hotfoot, at full blast, in high gear, as fast as one's legs can carry one.

3. precipitately, hurriedly, hastily; abruptly, suddenly, unexpectedly, prematurely, inopportunely, too soon, without notice or warning, on the spur of the moment, like a bolt from the blue, like a thief in the night; incautiously, unadvisedly, foolishly, unwarily, impetuously, impulsively, impatiently; rashly, wildly, recklessly, carelessly, heedlessly, thoughtlessly, slapdash, at half cock, pell-mell, harum-scarum, helter-skelter, head over heels.

4. unduly quick, rash, precipitate, hasty, hurried; reckless, careless, heedless, thoughtless; running, pell-mell, helter-skelter, harum-scarum, head-over-heels; brash, incautious, injudicious, ill-advised, indiscreet, unwary, foolish; abrupt, sudden, unexpected, premature.

5. impetuous, impulsive, unrestrained, ungoverned, uncontrolled, unchecked, unbridled; feverish, impatient, frantic, impassioned; madcap, madbrained, foolhardy, daredevil, breakneck, adventurous, hotheaded, harebrained, blindfolded; volatile, flighty, frivolous, erratic, fickle, unreliable, irresponsible; wild, giddy, dashing, over-confident, rampant, quixotic, punch-drunk; death-defying, devil-may-care, dangerous, ruinous, perilous.

6. headfirst, headforemost, head-on; diving, in a dive, plunging, in a nose dive.