οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → keeping silence is not shameful; speaking at random is (Menander)
Use adj., P. and V. ἔνοικος, σύνοικος, συνέστιος, V. ἐφέστιος ὑπόστεγος.