Definition of "rash" []

• Characterized by or resulting from ill-considered haste or boldness. See Synonyms at reckless. (adjective)
• Archaic Quick in producing a strong or marked effect. (adjective)
• A skin eruption. (noun)
• An outbreak of many instances within a brief period: a rash of burglaries. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "There have been a rash of sightings and I use the term rash here as a caution to all people to not engage in unprotected sex with workers of the sex industry."
• "But he is less supportive of what he described as a rash decision to move one of Gary's casinos to fund it."
• "The inner tart, sequin rash, and my first tiff with James on Strictly Come Dancing"