\Jes`u*it"ic\, Jesuitical \Jes`u*it"ic*al\, a. [Cf. F. j['e]suitique.] 1. Of or pertaining to the Jesuits, or to their principles and methods. 2. Designing; cunning; deceitful; crafty; -- an opprobrious use of the word. --Dryden.