to increase or improve something

to raise someone's spirits

उत्साह बढ़ाना

English Usage: Her words helped boost his confidence.

Hindi Usage: उसके शब्दों ने उसके आत्मविश्वास को बढ़ाने में मदद की।

an increase or improvement

बढ़ोतरी

English Usage: The campaign led to a significant boost in sales.

Hindi Usage: अभियान ने बिक्री में महत्वपूर्ण बढ़ोतरी की।