ἀγέλαστος

A. not laughing, grave, gloomy, h.Cer. 200; ἀ. πρόσωπα βιαζόμενοι A. Ag. 794; of the orator Crassus, Lucil. ap. Cic. Fin. 5.30, cf. Vett. Val.75.11: metaph., Σίβυλλα ἀγέλαστα φθεγγομένη Heraclit. 92; ἀ. φρήν A. Fr. 290; βίος Phryn.Com. 18; ἀ. πέτρα, stone at Eleusis on which Demeter sat, SIG 2587.183, Apollod. 1.5.1.

II. Pass., not to be laughed at, not trifling, ξυμφοραί A. Ch. 30, v.l. Od. 8.307.