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This page is about the slang term ill

American English


good, excellent

For example

  • The new Neo album is ill, man!

  • Corrie's new jacket is ill. Where can I get one?

This usage is fairly obscure U.S. teen slang and it's not widely known or understood in the larger community.


This is typically used in American English but may be used in other varieties of English too.

Quick Quiz

I heard some kids saying the new Batman movie was ill. This means they think it's

a. good

b. bad

c. sick
a) good b) bad c) sick

Slang of the Day

Contributor: Matt Errey