The definition of subversive is something that is trying to destroy or overthrow something like a government or an idea.
An example of subversive is propaganda writing.
tending or seeking to subvert, overthrow, or destroy (an established government, institution, belief, etc.)
Origin of subversiveMedieval Latin subversivus from Classical Latin subversus, past participle of subvertere: see subvert
a person regarded as subversive
Intending or intended to subvert an established order, especially to undermine or overthrow an established government: subversive groups; subversive publications.
One who advocates or is regarded as advocating subversion.
(comparative more subversive, superlative most subversive)
See to subvert.