weak or feeble in character

कमज़ोर या अशक्त चरित्र

English Usage: He gave a wimpy excuse for not completing his homework.

Hindi Usage: उसने अपना गृहकार्य न करने का एक कमजोर बहाना दिया।

an ineffectual or timid person

कमजोर व्यक्ति

English Usage: The kids called him a wimpy kid because he never stood up for himself.

Hindi Usage: बच्चों ने उसे कमजोर बच्चा कहा क्योंकि वह कभी अपने लिए खड़ा नहीं हुआ।