Definition of "subversive" [sub•ver•sive]

• Intended or serving to subvert, especially intended to overthrow or undermine an established government: "Sex and creativity are often seen by dictators as subversive activities” ( Erica Jong). (adjective)
• One who advocates or is regarded as advocating subversion. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In the meantime, Nigerian security agencies have been investigating what they call subversive activities by some foreign correspondents."
• "It took the gay-rights movement 30 years to shift from the Stonewall riots to gay marriage; now its transgender wing, long considered the most subversive, is striving for suburban normalcy too."
• "Like all great art, his plays remain subversive because they have the power to pull us out of the routines and the regulations of our conventional lives."