Adjective
1
with the head foremost
"a headfirst plunge down the stairs"
"a headlong dive into the pool"
2
With the head in front; headlong.
Adverb
1
with the head foremost
"the runner slid headlong into third base"
2
With the head in front; headlong.
Example Sentences
"a headfirst plunge down the stairs"
adjective
"a headlong dive into the pool"
adjective
"the runner slid headlong into third base"
adverb