[f. as prec. + -ISM.] The character or style of a zany; action or language like that of a zany; fantastic folly; buffoonery.
1818. Coleridge, Lit. Rem. (1836), I. 138. The caricature of his [sc. Rabelais] filth and zanyism.
1823. Blackw. Mag., XIII. 662. Such zanyisms as these.
So Zanyship, the condition or character of a zany.
1766. J. Adams, Diary, 7 Jan., Wks. 1850, II. 175. Y. Z. and H. had attacked him about idleness, and familiar spirits, and zanyship.