Definition
Operating or existing outside mainstream commercial channels; independent, grassroots, or countercultural; often refers to music, art, or communities that exist below the surface of popular culture.
Example Usage
She discovered an underground hip-hop scene in the city that was way more innovative than mainstream radio.
Origin
Literal sense of below-ground; adopted metaphorically for hidden or marginal subcultures by the 1960s counterculture movement
Fun Fact
The term carries an implicit value judgment—underground often implies authenticity and artistic integrity compared to mainstream alternatives.
Source: Definition backfill (hailey)
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See “underground” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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like I give a flying f**k...