bril·liant 
/ˈbrɪljənt/ adjective
/ˈbrɪljənt/ adjective [more brilliant; most brilliant] 1 : very bright : flashing with light
▪ brilliant jewels ▪ a brilliant star in the sky ▪ a store decorated in brilliant colors 2 : very impressive or successful
▪ He pitched a brilliant game. ▪ She gave a brilliant performance. ▪ a brilliant career 3 a : extremely intelligent : much more intelligent than most people
▪ a brilliant scientist ▪ She has a brilliant mind.
b : showing extreme intelligence : extremely clever
▪ a brilliant idea — often used in a joking or ironic way to describe a foolish idea, action, etc. ▪ It was brilliant of you to leave your passport at home! 4 Brit, informal : very good : wonderful or excellent
▪ Dinner was brilliant. ▪ It is a brilliant [=fabulous] film. You really must see it. ▪ We had a brilliant time at the circus.
▪ brilliant jewels ▪ a brilliant star in the sky ▪ a store decorated in brilliant colors
▪ He pitched a brilliant game. ▪ She gave a brilliant performance. ▪ a brilliant career
▪ a brilliant scientist ▪ She has a brilliant mind.
b : showing extreme intelligence : extremely clever
▪ a brilliant idea — often used in a joking or ironic way to describe a foolish idea, action, etc. ▪ It was brilliant of you to leave your passport at home!
▪ Dinner was brilliant. ▪ It is a brilliant [=fabulous] film. You really must see it. ▪ We had a brilliant time at the circus.
— bril·liant·ly adverb
▪ a star shining brilliantly ▪ brilliantly colored clothes ▪ She acted brilliantly in her first film. ▪ a brilliantly written essay
▪ a star shining brilliantly ▪ brilliantly colored clothes ▪ She acted brilliantly in her first film. ▪ a brilliantly written essay
