headlong

adjective

  1. 1

    with the head foremost

    a headfirst plunge down the stairs

    a headlong dive into the pool

  2. 2

    excessively quick

    made a hasty exit

    a headlong rush to sell

adverb

  1. 1

    in a hasty and foolhardy manner

    he fell headlong in love with his cousin

  2. 2

    at breakneck speed

    burst headlong through the gate

Synonyms

Also useful for “headlong”:Unscrambler