vigilant
From LSJ
Ῥῆμα παρὰ καιρὸν ῥηθὲν ἀνατρέπει βίον → Vitae lues vox missa non in tempore → Ein Wort zur Unzeit stülpt das ganze Leben um
English > Greek (Woodhouse)
adjective
sleepless: P. and V. ἄγρυπνος, V. ἄϋπνος (also Plato but rare P.).
be vigilant, v.: P. and W εὐλαβεῖσθαι, προμηθεῖσθαι; see take precautions, under precaution.