Definition of headlong:
hasty, unconsidered, overhasty, precipitous, reckless, careful, hotheaded, hurried, incautious, rashly, madcap, forward, foolhardy, headfirst, precipitant, ill-considered, harum-scarum, improvident, impulsive, rash, impetuous, precipitately, slapdash, precipitate, brash, temerarious.
- "The Complete Poetical Works of Henry Wadsworth Longfellow", Henry Wadsworth Longfellow.
- "The Keeper of the Door", Ethel M. Dell.
- "The-Darrow-Enigma", Severy, Melvin Linwood.