5048. teleioó
Lexical Summary
teleioó: To complete, to perfect, to accomplish, to bring to an end.

Original Word: τελειόω
Part of Speech: Verb
Transliteration: teleioó
Pronunciation: te-lei-O-o
Phonetic Spelling: (tel-i-o'-o)
KJV: consecrate, finish, fulfil, make) perfect
NASB: perfected, made perfect, accomplish, perfect, accomplished, finish, fulfill
Word Origin: [from G5046 (τέλειος - perfect)]

1. to complete
2. (literally) to accomplish
3. (figuratively) to make perfect (in character)

Strong's Exhaustive Concordance
consecrate, finish, fulfill, make perfect.

From teleios; to complete, i.e. (literally) accomplish, or (figuratively) consummate (in character) -- consecrate, finish, fulfil, make) perfect.

see GREEK teleios

HELPS Word-studies

Cognate: 5048 teleióō – to consummate, reaching the end-stage, i.e. working through the entire process (stages) to reach the final phase (conclusion). See 5056 (telos).

[This root (tel-) means "reaching the end (aim)." It is well-illustrated with the old pirate's telescope, unfolding (extending out) one stage at a time to function at full-strength (capacity effectiveness).]

NAS Exhaustive Concordance
Word Origin
from teleios
Definition
to bring to an end, to complete, perfect
NASB Translation
accomplish (2), accomplished (1), finish (1), fulfill (1), full number (1), made perfect (4), made...perfect (1), make...perfect (1), make perfect (1), perfect (2), perfected (7), reach...goal (1), spending the full number (1).

Thayer's Greek Lexicon
STRONGS NT 5048: τελειόω

τελειόω (in secular authors also τελεόω, which Herodotus uses everywhere (and which is the prevailing form in Attic prose (Liddell and Scott)); other writers use both forms indifferently), τελείω: 1 aorist ετελείωσα; perfect τετελείωκα; passive (or middle), present τελειοῦμαι; perfect τετελείωμαι; 1 aorist ἐτελειωθην; (τέλειος); from Herodotus, Sophocles, Thucydides, and Plato down; equivalent to τέλειον ποιῶ, to make perfect or complete;

1. to carry through completely; to accomplish, finish, bring to an end: τόν, Acts 20:24; τό ἔργον, John 4:34; John 5:36; John 17:4,(Nehemiah 6:16; τόν οἶκον, 2 Chronicles 8:16); τάς ἡμέρας, Luke 2:43; middle (present cf. Buttmann, 38 (33)) τελειοῦμαι, I finish complete, what was given me to do, Luke 13:32 (some (so A. V.) take it here as passive, I am perfected (understanding it of his death; cf. Ellicott, Life of our Lord, Lect. vi., p. 242 n{1}; Keim, ii., 615 n^1)).

2. to complete (perfect), i. e. add what is yet lacking in order to render a thing full: τήν ἀγάπην, passive, 1 John 2:5; 1 John 4:12, 17; δύναμις μου ἐν ἀσθένεια τελειοῦται, my power shows itself most efficacious in them that are weak, 2 Corinthians 12:9 R G; ἐκ τῶν ἔργων πίστις ἐτελειώθη, by works faith was perfected, made such as it ought to be, James 2:22; τετελείωται τίς ἐν τῇ ἀγάπη, one has been made perfect in love, his love lacks nothing, 1 John 4:18 (οἱ τελειωθεντες ἐν ἀγάπη, Clement of Rome, 1 Cor. 50, 3 [ET]; (τελειῶσαι τήν ἐκκλησίαν σου ἐν τῇ ἀγάπη σου, 'Teaching' etc. 10, 5 [ET])); ἵνα ὠσί τετελειωμένοι εἰς ἕν, that they may be perfected into one, i. e. perfectly united, John 17:23. τινα, to bring one's character to perfection: ἤδη τετελείωμαι, I am already made perfect, Philippians 3:12 (Wis. 4:13; ψυχή ... ὅταν τελειωθης καί βραβειων καί στεφάνων ἀξιωθης, Philo de legg. alleg. 3, 23; ψυχή ... τελειωθεισα ἐν ἀρετῶν ἀθλοις καί ἐπί τόν ὅρον ἐφικομενη τοῦ καλοῦ, id. de somn. 1, 21; equivalent to to be footpad perfect, Sir. 34:10 (Sir. 31:10).

3. to bring to the end (goal) proposed: οὐδέν, Hebrews 7:19; τινα, (to perfect or consummate) i. e. to raise to the state befitting him: so of God exalting Jesus to the state of heavenly majesty, Hebrews 2:10; in the passive, Hebrews 5:9; Hebrews 7:28; to raise to the state of heavenly blessedness those who put their faith in the expiatory death of Christ, passive, Hebrews 11:40; Hebrews 12:23 ((Act. Petr. et Paul. § 88, Tdf. edition, p. 39; Act. Barnab. § 9, id., p. 68; cf. 'Teaching' etc. 16, 2 [ET]); with μαρτυρίῳ added, of the death of the apost. Paul, Eusebius, h. e. 2, 22, 2 (cf. Heinichen's note on 7, 15, 5)); to make one, meet for future entrance on this state and give him a sure hope of it even here on earth, Hebrews 10:1, 14; τινα κατά συνείδησιν, Hebrews 9:9; cf. Bleek, Brief an d. Hebrews 2:1, p. 297ff; C. R. Köstlin, Lehrbegriff des Evang. u. der Briefe Johannis (Berl. 1843), p. 421ff; Riehm, Lehrbegriff des Hebrew-Br., § 42, p. 340ff; Pfleiderer, Paulinismus, p. 344f. (English translation, ii, p. 72ff).

4. to accomplish, i. e. bring to a close or fulfilment by event: τήν γραφήν, the prophecies of Scripture, passive, John 19:28 (cf. Winers Grammar, 459 (428); Buttmann, § 151, 20).

Topical Lexicon
Overview of Biblical Usage

The verb τελειόω appears twenty-three times in the New Testament and consistently conveys the idea of bringing something or someone to its intended goal. Whether the object is Christ’s messianic mission, the old covenant, an individual believer, or the church as a whole, the word underscores a process that ends in divinely appointed completion rather than mere cessation.

Perfection in the Person and Work of Jesus Christ

The letter to the Hebrews anchors τελειόω in Christ’s own experience. “In bringing many sons to glory, it was fitting for God…to make the author of their salvation perfect through suffering” (Hebrews 2:10). The verb highlights that the incarnate Son reached the full goal of His redemptive vocation via obedient suffering, culminating at Golgotha (John 19:28). Because His priesthood is “perfected forever” (Hebrews 7:28), He can “perfect for all time those who are being sanctified” (Hebrews 10:14). His completed work validates the new covenant and renders the former sacrificial system incapable of “perfecting the conscience of the worshiper” (Hebrews 9:9).

Completion of the Redemptive Plan

Luke frames Jesus’ earthly ministry in terms of divine necessity. “On the third day I will be perfected” (Luke 13:32), He declares, a terse prophecy pointing to resurrection as the climactic stage of His mission. John’s Gospel echoes the theme: “My food is to do the will of Him who sent Me and to finish His work” (John 4:34); “I have glorified You on earth by accomplishing the work You gave Me to do” (John 17:4). Acts records Paul adopting the same vocabulary: he values his life only insofar as he may “finish [τελειῶσαι] my course and the ministry I received from the Lord Jesus” (Acts 20:24). In each case τελειόω underscores that God’s plan unfolds toward a determinate, victorious end.

Believer’s Sanctification and Maturity

Hebrews 5:9 links the perfected Christ with the perfected believer: “And once made perfect, He became the source of eternal salvation to all who obey Him.” Salvation includes an ongoing transformation aimed at maturity. Paul confesses that he has not yet “been perfected” (Philippians 3:12), indicating a dynamic process in which believers pursue the goal already secured in Christ. The church is described as “the assembly of the firstborn enrolled in heaven…of the spirits of the righteous made perfect” (Hebrews 12:23), revealing an ultimate communal consummation.

Faith Proven Through Works

James draws on the Abraham narrative to illustrate that genuine faith reaches its intended goal through obedient action: “You see that his faith was working with his actions, and his faith was perfected by what he did” (James 2:22). Here τελειόω reinforces the inseparability of faith and works; action does not add to faith but brings it to its full expression.

Love Brought to Fullness

1 John employs the perfect tense five times to teach that God’s love achieves its goal among His people. “If we love one another, God remains in us, and His love is perfected in us” (1 John 4:12). Perfected love drives out fear (1 John 4:18) and offers objective assurance: “By this, love is perfected with us, so that we may have confidence on the day of judgment” (1 John 4:17). The abiding presence of love, therefore, signals that God’s intended work in the believer is reaching its telos.

Pastoral and Missional Focus

Paul’s statement to the Ephesian elders—his desire to “finish my course” (Acts 20:24)—demonstrates that ministry aims at the completion of a God-given stewardship. Jesus’ repeated “I must finish” assertions (John 4:34; John 5:36) establish the paradigm: ministry is successful not merely when tasks are performed but when divine assignment reaches its appointed conclusion.

Corporate Eschatological Perfection

Hebrews 11:40 teaches that the saints of former ages “were not perfected apart from us.” This eschatological insight binds the entire people of God into one redemptive storyline that will be consummated at Christ’s return. The verb points beyond individual sanctification to the final glorification of the church, when God’s purpose for His creation is fully realized.

Theological Reflections

1. τελειόω affirms the reliability of divine purpose; what God begins He brings to completion.
2. The term unites Christology and soteriology: the perfected Savior perfects His people.
3. Perfection is simultaneously positional (Hebrews 10:14), progressive (Philippians 3:12), and eschatological (Hebrews 11:40).
4. Love, obedience, and mission are chief arenas where τέλειος maturity is displayed.

In sum, Strong’s Greek 5048 unfolds a rich biblical motif: God perfects His Son’s mission, perfects His people through that mission, and will perfect the entire redemptive order in the age to come.

Forms and Transliterations
ετελειωθη ετελειώθη ἐτελειώθη ετελείωσα ετελείωσαν ετελείωσάν ετελείωσε ετελειωσεν ετελείωσεν ἐτελείωσεν τελειουμαι τελειούμαι τελειοῦμαι τελειούται τελειωθεις τελειωθείς τελειωθεὶς τελειωθη τελειωθή τελειωθῇ τελειωθήναι τελειωθώσι τελειωθωσιν τελειωθῶσιν τελειώσαι τελειῶσαι τελειωσαντων τελειωσάντων τελειωσας τελειώσας τελειώσει τελειώσεις τελειωσω τελειώσω τελειώσωσι τετελειωκεν τετελείωκεν τετελειωμαι τετελείωμαι τετελειωμενη τετελειωμένη τετελειωμενοι τετελειωμένοι τετελειωμενον τετελειωμένον τετελειωμένος τετελειωμένου τετελειωμενων τετελειωμένων τετελειωται τετελείωται eteleiosen eteleiōsen eteleíosen eteleíōsen eteleiothe eteleiōthē eteleiṓthe eteleiṓthē teleiosai teleiôsai teleiōsai teleiō̂sai teleiosanton teleiosánton teleiōsantōn teleiōsántōn teleiosas teleiōsas teleiṓsas teleioso teleiōsō teleiṓso teleiṓsō teleiothe teleiōthē teleiothêi teleiōthē̂i teleiotheis teleiotheìs teleiōtheis teleiōtheìs teleiothosin teleiothôsin teleiōthōsin teleiōthō̂sin teleioumai teleioûmai teteleioken teteleiōken teteleíoken teteleíōken teteleiomai teteleiōmai teteleíomai teteleíōmai teteleiomene teteleioméne teteleiōmenē teteleiōménē teteleiomenoi teteleioménoi teteleiōmenoi teteleiōménoi teteleiomenon teteleioménon teteleiōmenon teteleiōmenōn teteleiōménon teteleiōménōn teteleiotai teteleiōtai teteleíotai teteleíōtai
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Englishman's Concordance
Luke 2:43 V-APA-GMP
GRK: καὶ τελειωσάντων τὰς ἡμέρας
NAS: and as they were returning, after spending the full number of days,
KJV: And when they had fulfilled the days,
INT: and having completed the days

Luke 13:32 V-PIM/P-1S
GRK: τῇ τρίτῃ τελειοῦμαι
NAS: and the third [day] I reach My goal.'
KJV: the third [day] I shall be perfected.
INT: the third [day] I am perfected

John 4:34 V-ASA-1S
GRK: με καὶ τελειώσω αὐτοῦ τὸ
NAS: of Him who sent Me and to accomplish His work.
KJV: me, and to finish his work.
INT: me and should finish of him the

John 5:36 V-ASA-1S
GRK: πατὴρ ἵνα τελειώσω αὐτά αὐτὰ
NAS: has given Me to accomplish-- the very
KJV: me to finish, the same works
INT: Father that I should complete them same

John 17:4 V-APA-NMS
GRK: τὸ ἔργον τελειώσας ὃ δέδωκάς
NAS: You on the earth, having accomplished the work
KJV: the earth: I have finished the work
INT: the work having completed which you have given

John 17:23 V-RPM/P-NMP
GRK: ἵνα ὦσιν τετελειωμένοι εἰς ἕν
NAS: I in them and You in Me, that they may be perfected in unity,
KJV: that they may be made perfect in one;
INT: that they might be perfected in unity

John 19:28 V-ASP-3S
GRK: τετέλεσται ἵνα τελειωθῇ ἡ γραφὴ
NAS: been accomplished, to fulfill the Scripture,
KJV: the scripture might be fulfilled, saith,
INT: have been finished that might be fulfilled the Scripture

Acts 20:24 V-ASA-1S
GRK: ἐμαυτῷ ὡς τελειῶσαι τὸν δρόμον
NAS: so that I may finish my course
KJV: so that I might finish my
INT: to myself so as to finish the course

Philippians 3:12 V-RIM/P-1S
GRK: ἢ ἤδη τετελείωμαι διώκω δὲ
NAS: have already become perfect, but I press
KJV: were already perfect: but
INT: or already have been perfected I am pursuing moreover

Hebrews 2:10 V-ANA
GRK: διὰ παθημάτων τελειῶσαι
NAS: to glory, to perfect the author
KJV: salvation perfect through
INT: through sufferings to make perfect

Hebrews 5:9 V-APP-NMS
GRK: καὶ τελειωθεὶς ἐγένετο πᾶσιν
NAS: And having been made perfect, He became
KJV: And being made perfect, he became
INT: and having been perfected became to all

Hebrews 7:19 V-AIA-3S
GRK: οὐδὲν γὰρ ἐτελείωσεν ὁ νόμος
NAS: (for the Law made nothing perfect),
KJV: nothing perfect, but
INT: nothing indeed perfected the law

Hebrews 7:28 V-RPM/P-AMS
GRK: τὸν αἰῶνα τετελειωμένον
NAS: [appoints] a Son, made perfect forever.
KJV: [maketh] the Son, who is consecrated for
INT: the age has perfected

Hebrews 9:9 V-ANA
GRK: κατὰ συνείδησιν τελειῶσαι τὸν λατρεύοντα
NAS: which cannot make the worshiper
KJV: him that did the service perfect, as pertaining to
INT: as to conscience to perfect him who serves

Hebrews 10:1 V-ANA
GRK: τοὺς προσερχομένους τελειῶσαι
NAS: year by year, make perfect those
KJV: make the comers thereunto perfect.
INT: those who approach to perfect

Hebrews 10:14 V-RIA-3S
GRK: γὰρ προσφορᾷ τετελείωκεν εἰς τὸ
NAS: offering He has perfected for all time
KJV: offering he hath perfected for
INT: indeed offering he has perfected for

Hebrews 11:40 V-ASP-3P
GRK: χωρὶς ἡμῶν τελειωθῶσιν
NAS: that apart from us they would not be made perfect.
KJV: should not be made perfect.
INT: apart from us they should be made perfect

Hebrews 12:23 V-RPM/P-GMP
GRK: πνεύμασι δικαίων τετελειωμένων
NAS: of [the] righteous made perfect,
KJV: of just men made perfect,
INT: to [the] spirits of [the] righteous [who] have been perfected

James 2:22 V-AIP-3S
GRK: ἡ πίστις ἐτελειώθη
NAS: of the works, faith was perfected;
KJV: was faith made perfect?
INT: the faith was perfected

1 John 2:5 V-RIM/P-3S
GRK: τοῦ θεοῦ τετελείωται Ἐν τούτῳ
NAS: has truly been perfected. By this
KJV: of God perfected: hereby
INT: of God has been perfected By this

1 John 4:12 V-RPM/P-NFS
GRK: ἀγάπη αὐτοῦ τετελειωμένη ἐν ἡμῖν
NAS: in us, and His love is perfected in us.
KJV: love is perfected in us.
INT: love of him perfected in us

1 John 4:17 V-RIM/P-3S
GRK: Ἐν τούτῳ τετελείωται ἡ ἀγάπη
NAS: love is perfected with us, so that we may have
KJV: love made perfect, that
INT: In this has been perfected love

1 John 4:18 V-RIM/P-3S
GRK: φοβούμενος οὐ τετελείωται ἐν τῇ
NAS: and the one who fears is not perfected in love.
KJV: is not made perfect in love.
INT: fears not has been made perfect in

Strong's Greek 5048
23 Occurrences


ἐτελείωσεν — 1 Occ.
ἐτελειώθη — 1 Occ.
τελειῶσαι — 4 Occ.
τελειωσάντων — 1 Occ.
τελειώσας — 1 Occ.
τελειώσω — 2 Occ.
τελειωθῇ — 1 Occ.
τελειωθεὶς — 1 Occ.
τελειωθῶσιν — 1 Occ.
τελειοῦμαι — 1 Occ.
τετελείωκεν — 1 Occ.
τετελείωμαι — 1 Occ.
τετελειωμένη — 1 Occ.
τετελειωμένων — 1 Occ.
τετελειωμένοι — 1 Occ.
τετελειωμένον — 1 Occ.
τετελείωται — 3 Occ.

5047
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