ppl. a. (UN-1 8.)
1656. Earl Monm., trans. Boccalinis Advts. fr. Parnass., 167. Nothing was left unindeavoured, neither by himself, nor by other Princes.
1854. E. Townsend, Address, in Amer. Jrnl. Dental Sci., IV. April, 383. Under these influences that study, which those who study much know best is never done, will happily never stop undone and unendeavored; and the rust of sloth will not be allowed to steal over and eat out the life of your young energies.