Source : Webster's Revised Unabridged Dictionary (1913)

Rashly \Rash"ly\, adv.
   In a rush manner; with precipitation.

         He that doth anything rashly, must do it willingly; for
         he was free to deliberate or not.        --L'Estrange.

Source : WordNet®

rashly
     adv : in a hasty and foolhardy manner; "he fell headlong in love
           with his cousin" [syn: {headlong}]