σιγᾶν ἄμεινον ἢ λαλεῖν ἃ μὴ πρέπει → it's better to keep silence than to say what's not appropriate (Menander)
adj.
P. and V. σπάνιος.
Deficient: P. and V. ἐνδεής, P. ἐλλιπής.
adv.
See scarcely.