adj. rash·er, rash·est Resulting from or acting with ill-considered haste or boldness. See Synonyms at reckless. [Middle English rasch, active, unrestrained, perhaps from Old English -raesc (in līgræsc, lightning) or from Middle Dutch or Middle Low German rasch, fast.] rashly adv. rashness n. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.