A term used colloquially to describe a person who is considered stupid or foolish.

A foolish or incompetent action.

मूर्खता

English Usage: "His decision to invest in that failing company was a real dopper."

Hindi Usage: "उसकी उस बिगड़ते हुए कंपनी में निवेश करने का निर्णय वास्तव में एक मूर्खता थी।"