A source or form of power or vitality.

Enthusiasm or vigor in action or expression.

उत्साह

English Usage: "Her energy during the presentation was contagious."

Hindi Usage: "प्रस्तुति के दौरान उसका उत्साह संक्रामक था।"

Relating to or requiring the use of physical or mental power.

ऊर्जा संबंधी

English Usage: "An energy-efficient appliance saves money and resources."

Hindi Usage: "एक ऊर्जा-कुशल उपकरण पैसा और संसाधन बचाता है।"