μεγάλαυχος

ον, ότατα, Adv.
A. boastful, vainglorious, Pi. P. 8.15, A. Pers. 533 (anap.), Pl. Ly. 206a (Comp.), Ph. 1.121; τὸ μ., = foreg. 1, X. Ages. 8.1. Adv. Sup. -ότατα , εἰπεῖν Max.Tyr. 7.7.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project