2.high-spirited, impetuous, dashing, generous, gay, τὸ νεανικώτατον the gayest, most dashing feat, id=Ar.; so, ν. καὶ μεγαλοπρεπεῖς τὰς διανοίας Plat.; μέγα καὶ νεανικὸν φρόνημα Dem.
3.in bad sense, headstrong, wanton, insolent, Plat.
4.of things, vehement, mighty, Eur., Arist.
II.adv. νεανικῶς, vigorously, Ar.