essayical,a.|ɛˈseɪɪkəl| Also essaical. [f. as prec. + -ic + -al1.] Of the nature of an essay. 1860Dickens Lett. 25 Sept., Remarks..a little too essayical for this purpose.1875F. Arnold Our Bps. & Deans I. 21 The idea was that a sermon should be made brief, dry, essaical, moral or mystical.