Obs. [UN-2 3.] trans. To render imperfect.
1548. Geste, Pr. Masse, C vii. To renew the sayde sacryfyce is vtterlye to vnperfyt, & disable it quite.
a. 1586. Sidney, Arcadia, III. v. The dressing of her haire and apparell … left to a neglected chaunce, which yet coulde no more unperfect her perfections, than a Die … could loose his squarenesse.
