Synonyms of headlong in English:

headlong


See definition of headlong

adverb

1‘he fell headlong into the tent’

SYNONYMS
head foremost, head first, on one's head
diving
ANTONYMS

feet first

2‘those who rush headlong to join in the latest craze’

SYNONYMS
without thinking, without forethought, precipitately, precipitously, impetuously, rashly, recklessly, carelessly, heedlessly, hastily, in haste, head first, head over heels
ANTONYMS

cautiously


adjective

1‘a headlong dash through the house’

SYNONYMS
breakneck, whirlwind
reckless, precipitate, precipitous, rash, impetuous, hasty, careless, heedless
ANTONYMS

cautious