1. adj. reckless, impetuous, hasty; acting or done without due consideration.
Derivatives:
rashly adv. rashness n.
Etymology: ME, prob. f. OE r{aelig}sc (unrecorded) f. Gmc 2. n.1 an eruption of the skin in spots or patches.
2 (usu. foll. by of) a sudden widespread phenomenon, esp. of something unwelcome (a rash of strikes).
Etymology: 18th c.: prob. rel. to OF ra(s)che eruptive sores, It. raschia itch