SUBVERSIVE
insurgent, seditious, subversive
(adjective) in opposition to a civil authority or government
revolutionist, revolutionary, subversive, subverter
(noun) a radical supporter of political or social revolution
Source: WordNet® 3.1
Etymology
Adjective
subversive (comparative more subversive, superlative most subversive)
Intending to subvert, overturn or undermine a government or authority.
Synonyms
• insurgent, seditious
Noun
subversive (plural subversives)
A radical supporter of political or social revolution.
Synonyms
• revolutionist, revolutionary, subverter
Source: Wiktionary
Sub*ver"sive, a. Etym: [Cf. F. subversif.]
Definition: Tending to subvert; having a tendency to overthrow and ruin.
Lying is a vice subversive of the very ends and design of
conversation. Rogers.
Source: Webster’s Unabridged Dictionary 1913 Edition