Obs. rare. [f. med.L. superannātus: see prec. and -ATE3.]
1. intr. To live beyond the year; to survive till the next year.
1626. Bacon, Sylva, § 448. The Dying, in the winter, of the Roots of Plants, that are Annuall, seemeth to be partly caused by the Over-Expence of the Sap into Stalke, and Leaves; which being prevented, they will super-annate, if they stand warme.
Cf. 1656. Blount, Glossogr., Superannate, Superannuate, to out-wear with years, to out-live, or exceed in years, to grow old, or out of date, to live longer. Bac[on].
2. trans. ? To be too ancient for.
1658. Sir T. Browne, Hydriot., iii. 42. These crumbling reliques superannate such expectations.