Cantofish: country (of bygone years) that has vanished; a kingdom destroyed (by war); a state heading for destruction
MDBG: (of a nation) to be destroyed; subjugation; vanquished nation
LDC:
CDict: '
Click icons for complete source definitions (not available on mobile). icon in each entry gives source attribution. Want to improve this definition? Check to see if 亡国 is already in CC-CEDICT. If not, you can add it. (Why?)