νημερτής

English (LSJ)

ές, Dor. νᾱμερτής (the only form used by Trag., A. Pers.246), (νη-, ἁμαρτάνω)

   A unerring, infallible, γέρων ἅλιος ν., of Proteus, Od.4.349, etc.; ν. τε καὶ ἤπιος, of Nereus, Hes.Th.235; εἰπεῖν ν. βουλήν a sure decree, i.e. one that will infallibly be put in force, Od.1.86,5.30; νημερτέα εἰπεῖν or μυθήσασθαι to speak sure truths, 3.19, Il.6.376; ἦ μάλα τοῦτο ἔπος ν. ἔειπες 3.204; πάντα ναμερτῆ λόγον A.l.c. (troch.); μῦθος, βάξις, A.R.4.810, 1184: Sup. -έστατος Lyc.223: more freq. as Adv., νημερτὲς ἐνίσπες Od.22.166; τῶν γε νόον ν. ἀνέγνω 21.205; νημερτὲς ὑπόσχεο Il.1.514: Ion. Adv. νημερτέως as trisyll., Od.5.98.