rashly

from WordNet (r) 3.0 (2006)

rashly
    adv 1: in a hasty and foolhardy manner; "he fell headlong in
           love with his cousin" [syn: {headlong}, {rashly}]

from The Collaborative International Dictionary of English v.0.48

Rashly \Rash"ly\, adv.
   In a rash manner; with precipitation.
   [1913 Webster]

         He that doth anything rashly, must do it willingly; for
         he was free to deliberate or not.        --L'Estrange.
   [1913 Webster]