adamantine , (Aeschulus Tragicus), etc.: —;metaphorically hard as adamant , σιδηροῖς καὶ ἀδαμαντίνοις λόγοις (Plato Philosophus); οὐκ ἀδ. ἐντί, of a girl, (Theocritus Poeta Bucolicus):—;adverb -νως, (Plato Philosophus) (ML)