I.more, larger, both of number and size, Hom., etc.; τὸν πλείω λόγον all further speech, Soph.; πλείω τὸν πλοῦν the greater part of . . , Thuc.:—of Time, longer, πλείων χρόνος Hdt.; πλέων νύξ the greater part of night, Il.
2.with the Art., οἱ πλέονες the greater number, like οἱ πολλοί, the mass or crowd, Hom.; οἱ πλεῦνες Hdt., etc.; c. gen., τὰς πλεῦνας τῶν γυκαικῶν id=Hdt.:— the many, the people, opp. to the chief men, Thuc., etc.:— τὸ πλεῖον πολέμοιο the greater part of war, Hom.
II.pecul. usages of neut.:
1.as a Noun, more, πλεῦν ἔτι τούτου Hdt.; τὸ δὲ πλέον nay, what is more, Eur., Thuc.:— πλέον or τὸ πλέον τινός a higher degree of a thing, Soph.; τὸ πλ. τοῦ χρόνου Thuc.:— πλέον ἔχειν to have the best of it, win, conquer, id=Thuc.; also, like πλεονεκτέω, c. gen., Hdt., etc.; also, πλέον ποιεῖν Plat.; ἐς πλ. ποιεῖν Soph.; οὐδὲν πλ. πράσσειν, etc., Eur.:— τί πλέον; what more, i. e. what good or use is it? Ar.; so, οὐδὲν ἦν πλέον Dem.:— ἐπὶ πλέον or ἐπίπλεον, as adv., more, further, Hdt., Thuc., etc.; c. gen. beyond, ἐπὶ τὸ πλ. τινὸς ἱκέσθαι Theocr.; cf. περί A. III.
2.as adv. more, rather, πλέον ἔφερέ οἱ ἡ γνώμη his opinion inclined rather, Hdt.:—also, τὸ πλέον, ionic τὸ πλεῦν, for the most part, id=Hdt., etc.; τὸ πλ. ῀ μᾶλλον, Thuc.
b.with Numerals, τοξότας πλ. ἢ εἴκοσι Xen.:—in this sense a contr. form πλεῖν is used by attic writers, πλεῖν ἢ τριάκονθ᾽ ἡμέρας Ar.; πλεῖν ἢ χιλίας (sc. δραχμάς) id=Ar., etc.;—but ἤ is often omitted, as in Lat. quam after plus, πλεῖν ἑξακοσίας id=Ar.; so, ἔτη γεγονὼς πλείω ἑβδομήκοντα annos plus septuaginta natus, Plat.:—Comic phrase, πλεῖν ἢ μαίνομαι more than to madness, Ar.