The earth, together with all of its countries, peoples, and natural features.

पृथ्वी

English Usage: The world is facing many challenges today.

Hindi Usage: आज दुनिया कई चुनौतियों का सामना कर रही है।

A person or thing living or occurring at the same time as another.

समकालीन

English Usage: The poet was a contemporary of the famous painter.

Hindi Usage: कवि प्रसिद्ध चित्रकार का समकालीन था।