1.clear of dirt, clean, spotless, unsoiled, Od., Hdt., Eur.
2.clear, open, free, ἐν καθαρῷ (sc. τόπῳ) in a clear, open space, Il.; ἐν καθαρῷ βῆναι to leave the way clear, Soph.; διὰ καθαροῦ ῥέειν, of a river whose course is clear and open, Hdt.; τὸ ἐμποδὼν ἐγεγόνεε καθαρόν the hindrance was cleared away, id=Hdt.:—c. gen., γλῶσσα καθαρὴ τῶν σημηΐων clear of the marks, id=Hdt.
3.in moral sense, clear from shame or pollution, pure, καθαρῷ θανάτῳ Od.: esp. clear of guilt or defilement, clean, pure, Theogn., Aesch.; καθαρὸς χεῖρας Hdt.:—so, of persons purified after pollution, ἱκέτης προσῆλθες κ. Aesch.; of things, βωμοί, θύματα, δόμοι, μέλαθρα id=Aesch., Eur.:—c. gen. clear of or from a charge, κ. ἐγκλημάτων, ἀδικίας, κακῶν, etc., Horace's sceleris purus, Plat., Xen.
4.opp. to θολερός, clear of admixture, clear, pure, of water, Hdt., Eur.; so, κ. φάος, φέγγος Pind.; κ. ἄρτος χρυσός Hdt.; ἀργύριον Theocr.
5.of birth, opp. to ξένος, pure, , genuine, Pind., Eur.; τῶν Ἀθηναίων ὅπερ ἐστράτευε καθαρὸν ἐξῆλθε, i. e. who were citizens of pure blood, Thuc.:— καθαρόν a real, genuine saying, id=Thuc.
2.with clean hands, honestly, Theogn., Plat.