2178. ephapax
Lexical Summary
ephapax: Once for all, once

Original Word: ἐφάπαξ
Part of Speech: Adverb
Transliteration: ephapax
Pronunciation: ef-AP-ax
Phonetic Spelling: (ef-ap'-ax)
KJV: (at) once (for all)
NASB: once for all, one time
Word Origin: [from G1909 (ἐπί - over) and G530 (ἅπαξ - once)]

1. upon one occasion (only)

Strong's Exhaustive Concordance
once for all.

From epi and hapax; upon one occasion (only) -- (at) once (for all).

see GREEK epi

see GREEK hapax

NAS Exhaustive Concordance
Word Origin
from epi and hapax
Definition
once for all
NASB Translation
once for all (4), one time (1).

Thayer's Greek Lexicon
STRONGS NT 2178: ἐφάπαξ

ἐφάπαξ (Treg. in Heb. ἐφ' ἅπαξ; cf. Lipsius, gram. Unters., p. 127), adverb (from ἐπί and ἅπαξ (cf. Winers Grammar, 422 (393); Buttmann, 321 (275))), once; at once i. e.

a. our all at once: 1 Corinthians 15:6.

b. our once for all: Romans 6:10; Hebrews 7:27; Hebrews 9:12; Hebrews 10:10. (Lucian, Dio Cassius, others.)

Topical Lexicon
Scope of the Term

Strong’s 2178 occurs five times in the Greek New Testament and is consistently used to spotlight an act that needs no repetition. Whether describing Christ’s atoning death, His resurrection appearances, or the believer’s sanctification, the word marks an event whose efficacy is complete and whose results are enduring.

New Testament Distribution

Romans 6:10

1 Corinthians 15:6

Hebrews 7:27

Hebrews 9:12

Hebrews 10:10

These references may be grouped under two broad themes: (1) the once-for-all character of Christ’s redemptive work (Romans and Hebrews) and (2) the singular, definitive nature of His post-resurrection manifestation (1 Corinthians).

Pauline Emphasis: Death and Life in Romans

In Romans 6:10 the apostle contrasts the finality of Christ’s death with the unending vitality of His resurrection life: “The death He died, He died to sin once for all; but the life He lives, He lives to God”. Here the term secures the believer’s assurance that sin’s dominion has been decisively overthrown. Because the death is non-repeatable, the believer’s union with Christ is likewise secure, providing the foundation for progressive sanctification (Romans 6:11–14).

Resurrection Witness in 1 Corinthians

Paul recalls that the risen Lord “appeared to more than five hundred brothers at one time” (1 Corinthians 15:6). The mass appearance grounds the historical reliability of the resurrection and underscores its unrepeatable nature. The single occasion suffices to confirm both the reality of the resurrection body and the future hope of bodily resurrection for all who belong to Christ (1 Corinthians 15:20–23).

The Letter to the Hebrews: Climactic Fulfillment

Hebrews concentrates three occurrences of the term on Christ’s high-priestly ministry.

Hebrews 7:27: “He sacrificed for their sins once for all when He offered Himself.”

Hebrews 9:12: “He entered the Most Holy Place once for all by His own blood, thus securing eternal redemption.”

Hebrews 10:10: “By that will, we have been sanctified through the sacrifice of the body of Jesus Christ once for all.”

Taken together, these verses unveil a threefold testimony:

1. A single, self-offered sacrifice replaces the entire ceremonial system.
2. That sacrifice brings eternal redemption, rendering additional offerings unnecessary.
3. The sanctification accomplished is objective and completed, forming the basis for ongoing growth in holiness (Hebrews 10:14).

Contrast with Repetitive Old Covenant Rituals

Hebrews frequently juxtaposes daily and annual Levitical sacrifices with the solitary act of the Messiah. The former were many, the latter is one; the former could never perfect the conscience, the latter “cleanses our consciences from dead works” (Hebrews 9:14). In this contrast, the term functions as a theological hinge between covenants: one sacrifice inaugurates the new and closes the old.

Assurance and Perseverance

Because redemption, cleansing, and sanctification are presented as accomplished in a single, definitive act, believers are invited to rest in finished grace. This confidence fuels perseverance: “Therefore, brothers, since we have confidence to enter the Most Holy Place by the blood of Jesus… let us hold resolutely to the hope we profess” (Hebrews 10:19, 23). Assurance is not grounded in repeated human effort but in the once-for-all efficacy of Christ’s work.

Implications for Ministry and Worship

1. Preaching: The term calls pastors to proclaim a finished salvation rather than a probationary one.
2. Sacraments: The Lord’s Supper is a memorial of a completed sacrifice, not a re-sacrifice.
3. Counseling: Believers battling guilt are directed to the single, sufficient offering that eternally perfects those being sanctified.
4. Mission: The uniqueness of Christ’s atonement undergirds the exclusive claim of the gospel (Acts 4:12) and fuels evangelistic urgency.

Historical Reception

Early church fathers such as Athanasius and Augustine cited Hebrews 9:12 to defend the sufficiency of the cross against any notion of recurring propitiatory rites. The Reformers drew upon the same passages to repudiate beliefs that obscured the finality of Calvary. Throughout church history, creeds and confessions have echoed the refrain that Christ “suffered once for sins” (1 Peter 3:18), a doctrinal line traceable to the word under study.

Intertextual Echoes and Eschatological Hope

The definitive victory achieved “once for all” reverberates toward the consummation. Because redemption is irrevocably secured, the future is certain: “Christ… will appear a second time, not to bear sin, but to bring salvation to those who eagerly await Him” (Hebrews 9:28). The singular past act guarantees the glorious future act.

Concluding Reflection

Every occurrence of Strong’s 2178 drives home the Bible’s message that God’s saving work in Christ is complete, final, and sufficient. The believer’s task is not to replicate but to trust, obey, and proclaim the once-for-all achievement that secures eternal redemption and unshakable hope.

Forms and Transliterations
εφαπαξ εφάπαξ ἐφάπαξ εφαπτόμενοι εφαπτόμενος εφείλκυσαν εφέλκηται εφελκυσθώσι ephapax ephápax
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Romans 6:10 Adv
GRK: ἁμαρτίᾳ ἀπέθανεν ἐφάπαξ ὃ δὲ
NAS: to sin once for all; but the life
KJV: he died unto sin once: but in that
INT: to sin he died once for all that moreover

1 Corinthians 15:6 Adv
GRK: πεντακοσίοις ἀδελφοῖς ἐφάπαξ ἐξ ὧν
NAS: brethren at one time, most
KJV: five hundred brethren at once; of whom
INT: five hundred brothers at once of whom

Hebrews 7:27 Adv
GRK: γὰρ ἐποίησεν ἐφάπαξ ἑαυτὸν ἀνενέγκας
NAS: He did once for all when He offered
KJV: he did once, when he offered up
INT: indeed he did once for all himself having offered up

Hebrews 9:12 Adv
GRK: αἵματος εἰσῆλθεν ἐφάπαξ εἰς τὰ
NAS: the holy place once for all, having obtained
KJV: he entered in once into
INT: blood he entered once for all into the

Hebrews 10:10 Adv
GRK: Ἰησοῦ Χριστοῦ ἐφάπαξ
NAS: of Jesus Christ once for all.
KJV: of Jesus Christ once [for all].
INT: of Jesus Christ once for all

Strong's Greek 2178
5 Occurrences


ἐφάπαξ — 5 Occ.

2177
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