noun
anti-communism, anti-capitalism, anti-fascism
Historical term for the three-pronged opposition policy of the pre-war Socialist Masses Party (社会大衆党). Rarely used outside historical contexts.
See also: 社会大衆党
社会大衆党は三反主義を掲げていた。
The Socialist Masses Party advocated the three-anti principle.
The political party that adopted 三反主義 as its platform.
Compound of 三 (three) + 反 (anti-) + 主義 (principle, -ism), referring to the three 'anti' positions of the Socialist Masses Party.