sub·ver·sion /səb-'vər-zhən/ 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-ˌner-ē/ adj
sub·ver·sive /-'vər-siv/ adj or n
sub·ver·sive·ly adv
sub·ver·sive·ness n
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.