(adjective, verb, adverb)


1. excessively quick

- a headlong rush to sell

Similar word(s): hurried, hasty

2. with the head foremost

- a headfirst plunge down the stairs

- a headlong dive into the pool

Similar word(s): forward, headfirst


1. with the head foremost

- the runner slid headlong into third base

Similar word(s): headfirst

2. at breakneck speed

- burst headlong through the gate

Similar word(s): precipitately

3. in a hasty and foolhardy manner

- he fell headlong in love with his cousin

Similar word(s): rashly

Sentences with headlong as an adverb:

- Figures out today show the economy plunging headlong into recession.


1. (transitive) To precipitate.