'Headlong' definitions:

Definition of 'headlong'

From: WordNet
adverb
With the head foremost; "the runner slid headlong into third base" [syn: headlong, headfirst]
adverb
At breakneck speed; "burst headlong through the gate" [syn: headlong, precipitately]
adverb
In a hasty and foolhardy manner; "he fell headlong in love with his cousin" [syn: headlong, rashly]
adjective
Excessively quick; "made a hasty exit"; "a headlong rush to sell" [syn: hasty, headlong]
adjective
With the head foremost; "a headfirst plunge down the stairs"; "a headlong dive into the pool" [syn: headfirst, headlong]

Definition of 'Headlong'

From: GCIDE
  • Headlong \Head"long`\ (-l[o^]ng`; 115), adv. [OE. hedling, hevedlynge; prob. confused with E. long, a. & adv.] [1913 Webster]
  • 1. With the head foremost; headforemost; head first; as, to fall headlong. --Acts i. 18. [1913 Webster]
  • 2. Rashly; precipitately; without deliberation. [1913 Webster]
  • 3. Hastily; without delay or respite. [1913 Webster]

Definition of 'Headlong'

From: GCIDE
  • Headlong \Head"long\, a.
  • 1. Rash; precipitate; as, headlong folly. [1913 Webster]
  • 2. Steep; precipitous. [Poetic] [1913 Webster]
  • Like a tower upon a headlong rock. --Byron. [1913 Webster]