anti-establishment

opposed to the existing authorities or establishment

An anti-establishment view or belief is one that goes against the conventional social, political, and economic principles of a society. The term was first used in the modern sense in 1958, by the British magazine New Statesman to refer to its political and social agenda. The term can be distinguished from counterculture, a word normally used to describe artistic rather than political movements that run against the prevailing taste and values of the time.
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