Having the highest degree of sharpness or keenness.

सबसे तेज़

English Usage: She is the sharpest student in the class.

Hindi Usage: वह कक्षा में सबसे तेज़ छात्रा है।

The most acute or cleverly designed person or thing.

सबसे चतुर

English Usage: He's always been the sharpest in the room when it comes to problem-solving.

Hindi Usage: समस्या हल करने में वह हमेशा कमरे में सबसे चतुर रहा है।

To make or become sharper or more acute.

तेज़ बनाना

English Usage: We need to sharpest our focus for the upcoming project.

Hindi Usage: हमें आने वाली परियोजना के लिए अपने ध्यान को तेज़ बनाना होगा।