ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
P. and V. ἀχρεῖος, οὐχ ἱκανός, ἀσύμφορος, P. ἀνεπιτήδειος.
unworthy: P. and V. ἀνάξιος.
unbecoming: P. and V. ἀσχήμων, P. ἀπρεπής; see unseemly.