An undertaking or project that is unlikely to succeed.

A person or thing that is hopeless or in a desperate situation.

एक व्यक्ति या चीज जो निराशाजनक या हताश स्थिति में हो।

English Usage: Trying to change his views was a lost cause; he was set in his ways.

Hindi Usage: उसके विचारों को बदलने की कोशिश एक निरर्थक प्रयास थी; वह अपने तरीके में अड़ा हुआ था।