archidiabolical

== English == === Etymology === From archi- +‎ diabolical. === Adjective === archidiabolical (not comparable) (rare) Of or relating to an archdevil. 1933, Malcolm Cowley, “Trotsky and the Art of Insurrection” in Henry Dan Piper (ed.), Think Back on Us . . . A Contemporary Chronicle of the 1930’s by Malcolm Cowley, Carbondale and Edwardsville: Southern Illinois University Press, 1967, p. 28,[1] Always Trotsky displays that archidiabolical pride which is both his virtue as an individual and his most dangerous quality as a statesman.