Definition of "based" in English

adjective

1. Founded on; having a basis; often used in combining forms.

   • That was a soundly based argument.

verb

1. simple past and past participle of base

adjective

1. (slang, of a person) Not caring what others think about one's personality, style, or behavior; focused on maintaining individuality.

2. (Internet slang, sometimes humorous) Admirable; praiseworthy, especially if simultaneously unpopular or controversial.

   • OP is based as hell

interjection

1. (Internet slang, sometimes humorous) Indicating emphatic approval of a statement or opinion, often a controversial or unpopular one.

   • —There is no ethics in communism—Based.