Pronunciation: (rash),[key] —adj.-er, -est. 1. acting or tending to act too hastily or without due consideration.
2. characterized by or showing too great haste or lack of consideration: rash promises.
Pronunciation: (rash),[key] —n. 1. an eruption or efflorescence on the skin.
2. a multitude of instances of something occurring more or less during the same period of time: a rash of robberies last month.