Search Dictionary
Definition of rash

rash

/ræʃ/
rash

Adverb:rashly
•
Plural:rashes
JUMP TO:

rash Lexical Profile

rash Game Scores & Validity

• noun

1

An area of redness, spots, or bumps on the skin, typically caused by an allergic reaction, irritation, or illness.

Example

"She developed an itchy rash on her arms after hiking through poison ivy."


2

A sudden, widespread series of occurrences of the same unpleasant thing within a short space of time.

Example

"The police investigated a sudden rash of burglaries across the quiet neighborhood."

Synonyms
View all synonyms for rash

• adjective

1

Acting or done quickly and without careful consideration of the possible consequences; reckless or impulsive.

Example

"It would be rash to quit your job before securing a new position."

Synonyms
View all synonyms for rash
Antonyms
View all antonyms for rash

• Rhymes for rash

Word Origin & Etymology

The adjective originates from Middle English rasch ('nimble, hasty'), from a Proto-Germanic root meaning 'quick' or 'brisk'. The noun is an 18th-century borrowing, likely from Old French rache ('scurf, sore'), ultimately derived from Vulgar Latin.

Cite this Entry


Wordmom. (2026). Definition of Rash. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/rash
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.