Abbott-Smith Manual Greek Lexicon
τέλειος (G5046)
19 τέλειος , -α, -ον ( τέλος ), [in LXX chiefly for שָׁלֵם , תָּמִים and cogn. forms ;] having reached its end, finished, mature, complete, perfect ; of persons, primarily of physical development, full-grown, mature : He 5:14 ; ethically: Phl 3:15 ; opp. to νήπιος ( -άζειν ), I Co 2:6 14:20 , Eph 4:13 ; τ. καὶ πεπληροφορημένοι , Col 4:12 ; τ. ἐν Χριστῷ , Col 1:28 ; complete, perfect (expressing the simple idea of complete goodness, without reference either to maturity or to the philosophical idea of a τέλος ; v. Hort on Ja 1:4 ): Mt 5:48 19:21 , Ja 1:4 3:2 ; of God, Mt 5:48 . Of things, complete, perfect : Ro 12:2 ; ἔργον , Ja 1:4 ; νόμος , ib. 25 ; δώρημα , ib. 17 ; ἀγάπη , I Jo 4:18 ; τὸ τ. , I Co 13:10 ; compar., τελειοτέρα ( σκηνή ), He 9:11 . (There is probably no reference in St. Paul's usage to the use of this term in the ancient mysteries; cf. ICC on Col 1:28 ; but v. also Lft., in l, and Notes , 173 f.) † SYN. : v.s. ὁλόκληρος (and cf. Rendall, He., 158 ff.)
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain