To make or become less tense, rigid, or firm.

To loosen or reduce tension, especially in a physical or figurative sense.

ढील देना

English Usage: The storm caused the winds to slacken significantly after hours of raging.

Hindi Usage: तूफान के बाद कई घंटों की भयंकरता के बाद हवाएँ काफी ढीली पड़ गईं।