An imperfection or deficiency in something.

A shortcoming, imperfection, or lack.

A mistake or error.

एक गलती या त्रुटि।

English Usage: It was my fault that we missed the deadline.

Hindi Usage: समयसीमा चूकने के लिए यह मेरी गलती थी।

A flaw in someone's character.

किसी के चरित्र में दोष।

English Usage: His arrogance is a major defect in his personality.

Hindi Usage: उसका घमंड उसकी व्यक्तित्व में एक बड़ा दोष है।