To give up or surrender, especially in the face of difficulty

हार मान लेना, खासकर कठिनाई का सामना करते समय

English Usage: After struggling with the problem for hours, he finally decided to throw in the sponge.

Hindi Usage: कई घंटों तक समस्या से जूझने के बाद, उसने अंततः हार मान ली।