a. Obs. rare1. [f. L. phrase extrā dictiōn-em outside of the mode of expression (see EXTRA prep. and DICTION) + -ARY.] Of fallacies: Not consisting in expression; real, not verbal.
1646. Sir T. Browne, Pseud. Ep., I. iv. 15. Of these extradictionary and reall fallacies, Aristotle and Logicians make in number six.