Barbiecore? Cottagecore? What does 'core' mean in slang and why can't we stop using it

Merriam-Webster defines "core" as "a central and often foundational part usually distinct from the enveloping part by a difference in nature."

But as a suffix, "-core" has taken on a new life thanks to social media. Maybe you've seen someone describe something as Barbiecore, cottagecore, corecore, the list goes on. Each "-core" has its own unique characteristics.

But what do they all mean? Here's a primer on the "-core" trend.

What does 'core' mean?

Dating back to Middle English, the word "core" has referred to an integral or a defining part of something. For instance, a "core" tenant or principle.

This meaning shapes the modern interpretation of "-core." According to Dictionary.com, the suffix describes and is often associated with specific aesthetics, trends or movements. Almost anything can be used in conjunction with "-core."

The "-core" trend centers around preexisting subcultures or niches. This can include anything from patterns to colors to clothing items. If you really like things that are pink or red and covered in hearts, you might like "lovecore." If you are a big fan of the mystical, ethereal and magical, "fairycore" could be for you (think butterflies, sparkles and flowers).

Sometimes a "-core" can be hyper-specific, relating to a particular celebrity versus a more general vibe. A "Harry Styles-core" aesthetic might include cherries, pearls and Pleasing merchandise. A "Taylor Swift-core" aesthetic may vary depending on your favorite "era," or it could feature mirror (disco) balls.

How to use 'core'

Here is how to use "-core" in a conversation:

• "I love your top, it's so balletcore."

• "I'm not a fan of minimalism. I prefer cluttercore."

• "Ever since she started watching 'Bridgerton', her aesthetic is very royalcore."

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This article originally appeared on USA TODAY: What does 'core' mean? Examining the slang and how it shapes aesthetics