1carry out, accomplish, or fulfil (an action, task, or function):I have my duties to perform
[no object, usually with adverbial] work, function, or do something well or to a specified standard:the car performs well at low speedsour £120 million investment in the company is not performing at present
[no object] informal have successful or satisfactory sexual intercourse with someone:when I go to bed with any other woman I am quite unable to perform
2present (a form of entertainment) to an audience:the play has already been performed in Britain
[no object] entertain an audience, typically by acting, singing, or dancing on stage:the band will be performing live in Hyde Park
