αὐθαδόστομος
From LSJ
ὁ δ' εὖ ἔρδων θεοὺς ἐλπίδι κυδροτέρᾳ σαίνει κέαρ → but he who does well to the gods cheers his heart with a more glorious hope
English (LSJ)
ον,
A presumptuous of speech, Ar.Ra.837.
Greek (Liddell-Scott)
αὐθᾱδόστομος: -ον, ὁ αὐθαδῶς, ἀγερώχως ὁμιλῶν, ἄνθρωπον ἀγριοποιὸν αὐθαδόστομον Ἀριστοφ. Βάτρ. 337.