based /beɪst/adjective 4verb 4exclamation 1forms 2 adjective4 •made with something as its main part or starting pointThat was a soundly based argument.The company opted for a subscription-based business model. •(Internet, humorous) Admirable; praiseworthy, especially if simultaneously unpopular or controversial.OP is based as hell •(Internet, humorous) Admirable for rejecting political correctness or socially progressive values.My last account got banned for being too based. •(slang) Not caring what others think about one's personality, style, or behavior; focused on maintaining individuality.Based means being yourself. Not being scared of what people think about you. Not being afraid to do what you wanna do. Being positive. […] Based is positive. — 2010 verb4 •Having a base.The ladder is based on the even sidewalk for stability. •Being derived from (usually followed by on or upon).It's a new film based on a best-selling novel. •Having a base of operations.The company is based in New York. •simple past and past participle of base exclamation1 •(Internet, humorous) Indicating emphatic approval of a statement or opinion, often a controversial or unpopular one.—There is no ethics in communism. —Based. formsmore based · most based