to break into small pieces

to fail gradually

गिरना

English Usage: The team's morale started to crumble after the defeat.

Hindi Usage: हार के बाद टीम का मनोबल गिरने लगा।

a small broken piece of something

a type of dessert made with fruit and a crumbly topping

मिठाई

English Usage: I made apple crumble for dessert.

Hindi Usage: मैंने मिठाई के लिए सेब का क्रम्बल बनाया।