Rad
/ræd/noun
A slang term meaning excellent or cool, often associated with youth culture.
Did you know?The word 'rad' is derived from the term 'radical', which in 19th-century chemistry referred to a basic component of substances, hinting at transformative powers.
Etymological Timeline
Latin
Latin
radicalis
“Root-like, fundamental.”
Middle English
Middle English
radical
“Relating to roots, essential.”
19th Century
English
radical
“A term used in chemistry for a fundamental component of compounds.”
20th Century
English
rad
“Slang derivative of 'radical', used to express something as excellent or impressive.”