term:

Subversion

subversion n

: a systematic attempt to overthrow or undermine a government or political system by persons working from within
;also
: the crime of committing acts in furtherance of such an attempt
sub·ver·sion·ary [-zhə-ner-ē]
adj

sub·ver·sive [-vər-siv]
adj or n

sub·ver·sive·ly adv

sub·ver·sive·ness n

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.