I.= τόσος in all senses, but with a stronger demonstr. force, Hom., etc.; of persons, so large, so tall, καί σε τοσοῦτον ἔθηκα Il.; so great in rank, skill,or character, Soph., etc.:—in pl. so many, Hom.,etc.:—also τοσοῦτος μέγαθος so large, Hdt.; τοσοῦτος τὸ βάθος so deep, Xen.:—with numeral Advs., δὶς τ.,πολλάκις τ., etc., Thuc., etc.; ἕτερον τοσοῦτο as large again, Hdt.
II.neut. as Subst., so much, thus much, τοσσοῦτον ὀνήσιος Od.; τοσαῦτ᾽ ἔλεξε Aesch.; —with Preps., διὰ τοσούτου at so small a distance, Thuc.;— ἐς τοσοῦτο so far, Lat. hactenus, eatenus, Hdt., etc.;— ἐκ τ. from so far, so far off, Xen.;— ἐν τοσούτῳ in the meantime, Ar.;— ἐπὶ τοσοῦτο so far, Hdt.;— κατὰ τοσοῦτον so far, Plat.;— μέχρι τοσούτου so far, so long, Thuc.;— παρὰ τοσοῦτον κινδύνου into such imminent danger, id=Thuc.
III.neut. also as adv., so much, so far, Od., Soph., etc.
2.so much, Hom., Thuc., etc.:—but τοσούτῳ is more common with Comparatives, Hdt., etc.