n. A policy or attitude that views a nation's or society's power structure as corrupt, repressive, or unjust.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the doctrine of opposition to the social and political establishment
Word Usage
"The sixties are dead and buried, and Bob has appeared in Cadillac and Victoria Secret ads, but he has always rejected the mantle of antiestablishmentarianism."