noun
A political term referring to a group of opposition party members who would form the cabinet if their party were in power. In Japanese political contexts, it is often used alongside the native term 影の内閣.
See also: 影の内閣
野党はシャドウキャビネットを組織して、政権交代に備えている。
The opposition party has formed a shadow cabinet in preparation for a change of government.