Entry 1 sense Webster, 1913 Extradictionary · Ex·tra·dic·tion·a·ry · IPA 01 a. Consisting not in words, but in realities. 1. Consisting not in words, but in realities.[Obs.] “Of these extradictionary and real fallacies, Aristotle and logicians make in number six.” — Sir T. Browne.