Headlong :: Headlong (a. & adv.) With the head foremost; as, to fall headlong..
Headlong :: Headlong (a. & adv.) Rashly; precipitately; without deliberation.
Headlong :: Headlong (a. & adv.) Hastily; without delay or respite.
Headlong :: Headlong (a.) Rash; precipitate; as, headlong folly..