v. t. [ 1st pref. un- + perfect. ] To mar or destroy the perfection of. [ Obs. ] Sir P. Sidney. [ 1913 Webster ]
a. [ Pref. un- + perfect. ] Imperfect. [ Obs. ] Holland. -- Un*per"fect*ly, adv. [Obs.] Hales. -- Un*per"fect*ness, n. [ Obs. ] [ 1913 Webster ]
n. Want of perfection; imperfection. [ Obs. ] Wyclif. [ 1913 Webster ]