1) Antiestablishment movement 2) Culture 3) French word used in English 
A counterculture (also written counter-culture) is a subculture whose values and norms of behavior differ substantially from those of mainstream society, often in opposition to mainstream cultural mores. A countercultural movement expresses the ethos and aspirations of a specific population during a well-defined era. When oppositional forces reach...
cultural patterns that strongly oppose those widely accepted within a society
[n] - a culture with lifestyles and values opposed to those of the established culture
noun a culture with lifestyles and values opposed to those of the established culture
the culture and lifestyle of those people, esp. among the young, who reject or oppose the dominant values and behavior of society.
A way of living that opposes the dominant culture.