rogue state; rogue nation
A nation that disregards international law or norms; often used in political and news contexts. Synonymous with ならず者国家.
See also: ならず者国家
That rogue state was condemned for continuing its nuclear development.
Synonym; ならず者国家 is slightly more colloquial and emphasizes the 'outlaw' character, while 無法国家 is a more formal, direct translation of 'rogue state'.
Compound of 無法 (lawlessness) and 国家 (nation). The term is a direct translation of the English 'rogue state' and became common in Japanese political discourse in the late 20th century.