[f. as prec.] Inconstancy.
1551. Bible, 2 Cor. i., note. Yea, yea, Nay, nay; in this place they are taken for vnconstauntenes of mynde, as to say both yea, and naye to one thynge.
1581. T. Howell, Deuises (1879), 175. Which change full oft hath falne through her vnconstantnesse.
1600. Sir W. Cornwallis, Ess., i. B j b. So much haue I hated this giddy vnconstantnesse.