Definition of headlong in English:

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Pronunciation: /ˈhɛdlɒŋ/

adverb& adjective

1 [as adverb] With the head foremost: he fell headlong into the tent
More example sentences
  • Amidst this revelry the Prince of Bohemia falls headlong in love with the long-lost Sicilian princess.
  • She fell headlong down the stairs after catching him in bed with a barmaid.
  • Completely taken by surprise, Vincent tripped over the foot and stumbled, falling headlong for the floor.
head foremost, head first, on one's head;
2In a rush; with reckless haste: [as attributive adjective]: a headlong dash through the house [as adverb]: those who rush headlong to join in the latest craze
More example sentences
  • Yet these are real risks, and they are being ignored in the headlong rush to profit from bioengineering breakthroughs.
  • Now questions are being asked within the industry about whether the headlong rush to grab a slice of home buyers' cash is putting the market at risk.
  • Sadly, he added, the ancient art is all but lost in the city's headlong rush towards industrialisation.
without thinking, without forethought, precipitately, precipitously, impetuously, rashly, recklessly, carelessly, heedlessly, hastily, in haste, head first, head over heels
breakneck, whirlwind;
reckless, precipitate, precipitous, rash, impetuous, hasty, careless, heedless


Middle English headling (from head + the adverbial suffix -ling), altered in late Middle English by association with -long.

For editors and proofreaders

Line breaks: head|long

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