Subversionary

sub·ver·sion  (sb-vûrzhn, -shn)

n.

1.

a. The act or an instance of subverting.

b. The condition of being subverted.

2. Obsolete A cause of overthrow or ruin.

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[Middle English subversioun, from Old French subversion, from Late Latin subversi, subversin-, from Latin subversus, past participle of subvertere, to subvert; see subvert.]

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sub·version·ary adj.