Share WhatsApp Facebook Twitter Pinterest Email Rash Definition: The definition of rash is something done or said too fast. Synonyms: Hasty, Venturesome, Foolhardy, Indiscretions, Reckless Antonyms: Careful, Wary, Discreet, Canny, Prudent 0 Related Posts Abandon – Definition, Synonyms and Antonym December 26, 2021 Abash – Definition, Synonyms and Antonym December 26, 2021 Abbreviate – Definition, Synonyms and Antonym December 26, 2021 Write A Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. Δ