1.to stir up, rouse, egg on, spur on, encourage, Il.; c. inf., ὀτρ. τινὰ πολεμίζειν id=Il.; γήμασθαι Od., etc.; inf. omitted, ἦ τινα ὀτρυνέεις ἐπίσκοπον (sc. ἰέναι); wilt thou urge one (to go) as a spy? Il.:—Mid. or Pass. to bestir oneself, hasten, Od., etc.; c. inf., ὀτρυνώμεθ᾽ ἀμυνέμεν ἀλλήλοισιν Il.
2.of thing, to urge forward, quicken, speed, Hom., etc.