TEMERA'RIOUS, a. [L. temerarius; from the root of time, tempest, which see. The sense is rushing or advancing forward.]
1. Rash; headstrong; unreasonably adventurous; despising danger; as temerarious folly.2. Careless; heedless; done at random; as the temerarious dash of an unguided pen. [This word is not much used.]