To gradually decrease in size, amount, or strength.

To become less intense or severe.

कम तीव्र या गंभीर होना।

English Usage: His enthusiasm for the project began to dwindle after several setbacks.

Hindi Usage: कई बाधाओं के बाद, उसके परियोजना के प्रति उत्साह में कमी आने लगी।