rad

Short version of radical. It means cool.

Dude 1: Whoa, that new bike o' yours so rad, man!
Dude 2: Thank ya, bro.

by NachoNeko June 03, 2015

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rad

It means cool/awesome.
The word "rad" is used by hipsters.

A: Hey dude, your gaming skills are so rad!
B: Haha, thanks dude.

by TNFSG June 20, 2017

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rad

Rapid application development. Used to describe programming languages such as visual basic that speed up development time.

By the time I wrote a game engine in C++, the game was finished in Visual Basic.

by eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee January 13, 2004

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rad

n: a unit of measurement used to describe a dose of radiation. A single rad is equivalent to 100 ergs per gram or 0.01 joules per kilogram of irradiated substance.

The Federally-defined maximum occupational radiation dose is 5 rads per year.

by Ten Second Tom September 29, 2005

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rad- short for radical, which meant cool, a term that is still used today by a populace of individuals that never really grew out of the 80's scene and still believe that other terms are cool such as "hey dude" or worse "dudette" and even "totally." Beware of these individuals for they are probably still sporting a Madonna or Micheal Jackson glove on one hand with the fingers cut out of it, watching movies such as Pretty in Pink or The Breakfast Club, and own a very colorful collection of wrist or ankle warmers.

Everyone laughed at her when Jane called Bob's new car rad.

by blueeyes811 May 06, 2006

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