Definitions

1. adverb

in a headlong manner; headfirst; with a reckless or precipitate rush

“The hikers went headlong down the mountain, disregarding the warning signs.”

2. noun

a headlong rush or charge; a reckless or headfirst movement

“The crowd’s headlong surge into the concert venue was chaotic.”

3. adjective

characterized by a headlong or reckless manner

“The headlong politician ignored the advice of his team and made a rash decision.”