English · Slang Attested

rad

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Clipping of radical (“excellent”).

Where it’s used: Used American English

In the Guinness Book of World-fucking-Records, man… under "Raddest Fucking Dude Alive"!

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Topics: Dated

Common questions

What does “rad” mean?

Clipping of radical (“excellent”).

Is “rad” formal or informal?

rad is generally dated, slang.

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