national pride; national prestige
Refers to the dignity, honor, or standing of a nation, often used in political or diplomatic contexts.
The policy was introduced to protect national prestige.
Negotiations that stake national pride are ongoing.
国威 is a more concise synonym for national prestige, often used in formal contexts.
威信 means prestige or dignity in general, not limited to nations.
Compound of 国家 (nation) and 威信 (prestige, dignity).