Also sub·ver·sion·ar·y [suhb-vur-zhuh-ner-ee, -shuh-]. tending or intending to subvert or overthrow, destroy, or undermine an established or existing system, especially a legally constituted government or a set of beliefs. a person who adopts subversive principles or policies.

Is subversively a word?

adj. Intending or intended to subvert an established order, especially to undermine or overthrow an established government: subversive groups; subversive publications.

What does it mean if something is subversive?

1 : the act of subverting : the state of being subverted especially : a systematic attempt to overthrow or undermine a government or political system by persons working secretly from within. 2 obsolete : a cause of overthrow or destruction.