Dictionary entry

κρείσσων

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

κρείσσων

(Epic and old Att.) and κρείττων (later Att.), prop. comparat. of κρατύς, strong, but in sense often (as in cl., v. LS, s.v.) as comparat. of ἀγαθός, [in LXX chiefly for טוֹב;]

better;

(a) as to advantage or usefulness: I Co 11:17, He 11:4012:24; πολλῷ μᾶλλον κ., Phl 1:23; κρεῖσσον ποιεῖν, I Co 7:38; ἐστιν, seq. inf., I Co 7:9, II Pe 2:21;

(b) as to excellence: He 1:46:97:7, 19, 228:69:2310:3411:16, 35; κ. ἐστι, seq. inf., I Pe 3:17.†