ppl. a. (UN-1 8.)
1703. C. Mather, Magn. Chr., II. vii. (1852), 144. Certain confessedly unscriptural and uninstituted rites.
1742. J. Willison, Balm of Gilead, iv. Wks. (1852), 404/2. Many are warping towards popery , observing uninstituted festivals.