definition of
headlong

[1] #1 headlong r. [headfirst] with the head foremost; "the runner slid headlong into third base". wn

[2] #2 headlong s. [hasty] excessively quick; "made a hasty exit"; "a headlong rush to sell". wn

[3] #3 headlong s. [headfirst] with the head foremost; "a headfirst plunge down the stairs"; "a headlong dive into the pool". wn

[4] #4 headlong r. [precipitately] at breakneck speed; "burst headlong through the gate". wn

[5] #5 headlong r. [rashly] in a hasty and foolhardy manner; "he fell headlong in love with his cousin". wn