inexcogitable

== English == === Etymology === From in- +‎ excogitable. === Adjective === inexcogitable (not comparable) (obsolete) unimaginable; unable to be imagined; inconceivable or mind-boggling Synonyms: beyond belief, unthinkable ==== Antonyms ==== imaginable ==== Related terms ==== unimaginability ==== References ==== John A. Simpson and Edmund S. C. Weiner, editors (1989), “inexcogitable”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, →ISBN.