A person who is seen as incompetent or unsuccessful.

असफल व्यक्ति

English Usage: "He feels like a dud compared to his successful friends."

Hindi Usage: "उसे अपने सफल दोस्तों के मुकाबले एक असफल व्यक्ति जैसा महसूस होता है।"

A thing that fails to work properly or is worthless.

To fail or disappoint.

विफल होना

English Usage: "The project duded after all the initial excitement."

Hindi Usage: "सारे शुरूआती उत्साह के बाद परियोजना विफल हो गई।"