a. Obs. rare–1. [ad. L. fatuant-em, pr. pple. of fatuārī: see FATUATE v.] Behaving fatuously, foolish, silly.
1641. D. Hollis, in Rushw., Hist. Coll., III. (1692), I. 316. A Sorrow not womanish and fatuant, but accompanied with Indignation, and vigorous magnanimous Resolution.
