To defeat someone completely; to cause someone to become unconscious.

बेहोश करना

English Usage: He managed to knock out his opponent in the final match.

Hindi Usage: उसने फाइनल मैच में अपने प्रतिद्वंद्वी को बेहोश करने में सफल रहा।

A decisive victory, often resulting in one competitor being unable to continue.

नॉकआउट

English Usage: The fight ended in a knockout in the third round.

Hindi Usage: मुकाबला तीसरे राउंड में नॉकआउट पर समाप्त हो गया।