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.
n. 1. A visible lesion or group of lesions on the skin, caused by any of numerous factors including infectious agents, drugs, and allergies. 2. An outbreak of many instances within a brief period: a rash of burglaries. [Possibly from obsolete French rache, a sore, from Old French rasche, scurf, from raschier, to scrape, scratch, from Vulgar Latin *rāsicāre, from Latin rāsus, past participle of rādere; see rēd- in the Appendix of Indo-European roots.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.