n. Any culture whose values and lifestyles are opposed to those of the established mainstream culture, especially to western culture
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a culture with lifestyles and values opposed to those of the established culture
Word Usage
"Theodore Roszak, the author, scholar and critic who brought the term "counterculture" into the mainstream as he documented the social upheavals of the 1960s, has died."