Definition for Headlong:

• in a hasty and foolhardy manner; " he fell headlong in love with his cousin"

Synonyms for Headlong:

• adj.

  •brash (adjective)
  • audacious,
  • heedless,
  • bold,
  • impolitic,
  • reckless,
  • incautious,
  • pushing,
  • indiscreet,
  • madcap,
  • forward,
  • hotheaded,
  • ill-advised.
  •breakneck (adjective)
  • speedy,
  • lightning,
  • rapid,
  • excessive,
  • whirlwind.
  •desperate (adjective)
  • shocking,
  • dangerous,
  • headstrong,
  • devil-may-care,
  • wild,
  • furious,
  • venturesome,
  • careless,
  • violent.
  •foolish (adjective)
  • shortsighted.
  •hasty (adjective)
  • cursory,
  • fiery,
  • expeditious,
  • PDQ,
  • impatient,
  • quick,
  • slapdash,
  • prompt,
  • rushed,
  • swift,
  • urgent,
  • agile,
  • snappy,
  • fleet,
  • fast.
  •headlong (adjective)
  • rough,
  • impetuous,
  • inconsiderate,
  • rash,
  • impulsive,
  • daredevil,
  • brash,
  • precipitate,
  • foolhardy,
  • daring,
  • abrupt,
  • hurried,
  • rushing,
  • sudden,
  • breakneck,
  • thoughtless,
  • tempestuous,
  • precipitant,
  • hasty.
  •hurried (adjective)
  • precipitous.
  •impatient (adjective)
  • hot-tempered,
  • breathless,
  • unforbearing,
  • quick-tempered,
  • feverish,
  • brusque.
  •impetuous (adjective)
  • unpremeditated,
  • unplanned,
  • passionate,
  • spontaneous,
  • unthinking,
  • unexpected,
  • spur-of-the-moment.
  •rash (adjective)
  • unconsidered,
  • overhasty,
  • precipitant.
  •reckless (adjective)
  • reckless,
  • impetuous,
  • rash.
  •thoughtless (adjective)
  • unguarded.
  •unguarded (adjective)
  • unguarded,
  • unreflective.
  •very fast (adjective)
  • swift,
  • whirlwind.

• adv.

  •bang (adverb)
  • abruptly,
  • suddenly.
  •helter-skelter (adverb)
  • recklessly,
  • hurriedly,
  • rashly,
  • impetuously,
  • in confusion,
  • pell-mell,
  • wildly,
  • hastily,
  • Incontinently.
  •rashly (adverb)
  • precipitately,
  • Precipitantly.

• adv

  •fast (adverb)
  • Posthaste.
  •helter-skelter (adverb)
  • Incontinently,
  • in confusion.
  •pell-mell (adverb)
  • full tilt,
  • heedlessly,
  • thoughtlessly.
  •quickly (adverb)
  • quickly,
  • fast,
  • urgent,
  • rapid,
  • like mad,
  • frenetic.
  •rashly (adverb)
  • precipitously.

• n.

  •
  • bouncy,
  • skyward,
  • downward,
  • down,
  • up,
  • under,
  • ascending,
  • upward.
  •
  • squat,
  • head first,
  • impetuous,
  • improvident,
  • ill-considered,
  • hotheaded,
  • madcap,
  • unconsidered,
  • outspread,
  • outstretched,
  • slapdash,
  • incautious,
  • harum-scarum,
  • impulsive,
  • reckless,
  • sprawl,
  • brash,
  • rash,
  • temerarious,
  • stoop,
  • slouch,
  • foolhardy.
  •headlong (noun)
  • hurried,
  • forward,
  • rashly,
  • precipitately,
  • headfirst,
  • hasty.

• Other synonyms:

  •
  • unconsidered,
  • head first,
  • ill-considered,
  • lightning,
  • fast,
  • down,
  • outstretched,
  • straight away,
  • poof,
  • prompt,
  • summary,
  • outspread,
  • brash,
  • on-the-spot,
  • summarily,
  • temerarious,
  • abrupt,
  • suddenly,
  • Posthaste,
  • fast-paced,
  • swift,
  • already.
  •
  • flat,
  • immediate,
  • harum-scarum,
  • violently,
  • impetuous,
  • incautious,
  • presto,
  • impulsive,
  • madcap,
  • slap,
  • slouch,
  • flash,
  • quick,
  • immediately,
  • hotheaded.
  •
  • improvident,
  • reckless.
  •
  • slapdash.
  •
  • sprawl,
  • stoop.
  •
  • squat.
  •impetuous
  • foolhardy.
  •precipitate
  • rash.
  •Other relevant words:
  • irrational,
  • hurriedly,
  • impatient,
  • run wild,
  • venturesome,
  • accident-prone,
  • whip on,
  • hastiness,
  • Unreasoned,
  • unthoughtful,
  • brusque,
  • wreak,
  • head over heels,
  • blind,
  • fleet,
  • spread like wildfire,
  • unmindful,
  • ill-considered,
  • thoughtlessness,
  • rushing,
  • precipitancy,
  • overzealous,
  • madly,
  • hot-blooded,
  • haste,
  • heedless,
  • unwary,
  • breakneck,
  • frankly,
  • fiery,
  • injudicious,
  • rush headlong,
  • amain,
  • mad,
  • feverish,
  • flash,
  • misguided,
  • indiscretion,
  • full tilt,
  • harum-scarum,
  • overconfident,
  • straightforwardly,
  • impetuously,
  • heedlessly,
  • rush,
  • slouch,
  • Skurry,
  • tear,
  • push on,
  • temerarious,
  • furious,
  • ahead,
  • express,
  • imprudent,
  • fussy,
  • Hot-headed,
  • precipitate,
  • cursorily,
  • careless,
  • on-the-spot,
  • helter-skelter,
  • senseless,
  • mercurial,
  • instantly,
  • inconsiderateness,
  • violence,
  • overzealously,
  • impetuous,
  • Hustling,
  • in haste,
  • outstretched,
  • startling,
  • panting,
  • VI ET ARMIS,
  • plunge,
  • surprising,
  • sharp,
  • bear down,
  • riot,
  • heady,
  • unpredictable,
  • spur-of-the-moment,
  • precipitant,
  • devil-may-care,
  • outspokenly,
  • brash,
  • flightiness,
  • wantonly,
  • offhand,
  • slap-bang,
  • Eagle-winged,
  • furiously,
  • in advance,
  • light-footed,
  • head first,
  • giddiness,
  • foolhardy,
  • dizziness,
  • personally,
  • diving,
  • flat,
  • stoop,
  • effervesce,
  • in a hurry,
  • rampage,
  • flippancy,
  • hasten,
  • fast,
  • like crazy,
  • promptly,
  • impulsively,
  • rapidly,
  • desperately,
  • unforbearing,
  • daring,
  • shocking,
  • carelessly,
  • wild,
  • summarily,
  • venturous,
  • run amuck,
  • quick,
  • rashness,
  • hot-tempered,
  • undiscerning,
  • in disorder,
  • hare-brained,
  • straight away,
  • rush upon,
  • unforeseen,
  • nimble,
  • urgent,
  • imprudence,
  • pushing,
  • abruptly,
  • tooth and nail,
  • steep,
  • fast-paced,
  • electrifying,
  • impulsive,
  • emotional,
  • breathless,
  • in a rush,
  • precipitous,
  • meteoric,
  • extemporaneous,
  • quixotic,
  • tempestuous,
  • ride roughshod,
  • unexpected,
  • uncontrolled,
  • short-sighted,
  • tumultuously,
  • by force,
  • hurry,
  • vertical,
  • galloping,
  • foolish,
  • boisterous,
  • incautious,
  • without restraint,
  • suddenly,
  • poof,
  • immediately,
  • Slam-bang,
  • expeditious,
  • dive,
  • wanton,
  • lightning,
  • Hurry-skurry,
  • thoughtless,
  • bang,
  • sincerely,
  • skyward,
  • summary,
  • spontaneous,
  • headstrong,
  • immediate,
  • double-quick,
  • whirlwind,
  • drive-by,
  • ferment,
  • foolishness,
  • press forward,
  • hotheadedly,
  • unpredicted,
  • excessive,
  • violently,
  • Outrance,
  • passionate,
  • simultaneously,
  • violent,
  • unanticipated,
  • hurricane,
  • Headforemost,
  • flutter,
  • head-on,
  • carelessness,
  • down,
  • hair-trigger,
  • precipitation,
  • Janty,
  • make haste,
  • overenthusiastic,
  • bouncy,
  • winged,
  • jump at,
  • bold,
  • unconsidered,
  • swift,
  • levity,
  • precipitously,
  • unthinking,
  • bluff,
  • bustle,
  • cursory,
  • wildly,
  • Incontinently,
  • Scrambling,
  • unpremeditated,
  • presto,
  • rough,
  • quick-tempered,
  • Forwarder,
  • already,
  • Precipitantly,
  • overeagerly,
  • like mad,
  • reckless,
  • Plunging,
  • under,
  • head and shoulders,
  • flying,
  • dash off,
  • harebrained,
  • impolitic,
  • unwise,
  • storm,
  • unlooked-for,
  • temerity,
  • indiscreet,
  • rapid,
  • overenthusiastically,
  • heels over head,
  • running,
  • romp,
  • abrupt,
  • instinctive,
  • in confusion,
  • cavalier,
  • gadarene,
  • downward,
  • frenetic,
  • directly,
  • sheer,
  • sudden,
  • inconsiderate,
  • volatile,
  • happen what may,
  • outspread,
  • daredevil,
  • ill-advised,
  • hastily,
  • hotheaded,
  • frivolousness,
  • overhasty,
  • shortsighted,
  • hurry-scurry,
  • snappy,
  • holus-bolus,
  • adventurous,
  • quickly,
  • nimble-footed,
  • lively,
  • ascending,
  • involuntary,
  • rushed,
  • slap,
  • frivolity,
  • rash,
  • dangerous,
  • unplanned,
  • jaunty,
  • overeager,
  • slapdash,
  • desperate,
  • straightway,
  • squat,
  • recklessly,
  • pell-mell,
  • improvident,
  • PDQ,
  • bluntly,
  • prompt,
  • unreasonable,
  • sprawl,
  • dip,
  • Posthaste,
  • upward,
  • overweening,
  • madcap,
  • snap,
  • Instanter,
  • fault,
  • run riot,
  • scramble,
  • unguarded,
  • mindless,
  • agile,
  • speedy,
  • audacious,
  • thoughtlessly,
  • tornado,
  • dashing,
  • press on,
  • up,
  • spanking,
  • unreflective.

Antonyms for Headlong:

• adj.

  • brash
    fearful, discreet, afraid, reserved.
  • breakneck
    extremely slow.
  • desperate
    secure, content, satisfied, confident, unworried.
  • hasty
    slow, lazy, lingering, delayed, Loitering.
  • headlong
    thoughtfully, cautious, careful, wary.
  • hurried
    unhurried, leisurely, easily, unrushed.
  • impatient
    tolerant, enduring, patient, forbearing, easy-going, laid-back, waiting, controlled, willing.
  • impetuous
    thoughtful, sensible, calm, circumspect, wise, reflective, considerate.
  • Other antonyms:
    poky, shilly-shallying, deliberate, drawn-out, dawdling, circumspect, foresighted, tentative, forethoughtful, hesitant, leisurely, faltering, calculating, extended, laggard, measured, backward, hesitating, slow, prolonged, long-term, calculated.

• adv.

  • bang
    slowly.
  • helter-skelter
    straight, methodical, organized, carefully, systematic.