3989. pelagos
Lexical Summary
pelagos: Sea, open sea, deep

Original Word: πέλαγος
Part of Speech: Noun, Neuter
Transliteration: pelagos
Pronunciation: peh'-lah-gos
Phonetic Spelling: (pel'-ag-os)
KJV: depth, sea
NASB: depth, sea
Word Origin: [of uncertain affinity]

1. deep or open sea, i.e. the main

Strong's Exhaustive Concordance
depth, sea.

Of uncertain affinity; deep or open sea, i.e. The main -- depth, sea.

NAS Exhaustive Concordance
Word Origin
a prim. word
Definition
the deep, the deep sea
NASB Translation
depth (1), sea (1).

Thayer's Greek Lexicon
STRONGS NT 3989: πέλαγος

πέλαγος, πελαγους, τό (by some (e. g. Lob. Pathol. Proleg., p. 805) connected with παξ, i. e. the 'flat' expanse (cf. Latinaequor); but by Curtius, § 367, et al. (cf. Vanicek, p. 515) with πλήσσω, i. e. the 'beating' waves (cf. our 'plash')), from Homer down;

a. properly, the sea i. e. the high sea, the deep (where ships sail; accordingly but a part of the sea, θάλασσα, Aristotle, Probl. sect. 23 quaest. 3 (p. 931{b}, 14f) ἐν τῷ λιμενι ὀλίγη ἐστιν θάλασσα, ἐν δέ τῷ πελάγει βαθεῖα. Hence) τό πέλαγος τῆς θαλάσσης,aequor maris (A. V. the depth of the sea; cf. Trench, § xiii.), Matthew 18:6 (so too Apollonius Rhodius, 2, 608; πέλαγος αἰγαιας ἁλός, Euripides, Tro. 88; Hesychius πέλαγος ... βυθός, πλάτος θαλάσσης. Cf. Winers Grammar, 611 (568); (Trench, as above)).

b. universally, the sea: τό πέλαγος τό κατά τήν Κιλικίαν, Acts 27:5 (see examples from Greek authors in Passow, under the word πέλαγος, 1; (Liddell and Scott, under I.)).

Topical Lexicon
Definition and Nuance of Pelagos

The term conveys the vast, deep, and often unfathomable expanse of the open sea, distinct from coastal waters. In Scripture it evokes both awe and peril, underscoring human frailty before divine power.

Old Testament Background

Although πέλαγος itself is rare in the Septuagint, the motif of the sea as a realm of overwhelming force pervades Israel’s history. Yahweh divides the Red Sea (Exodus 14) and sets boundaries for the oceans (Job 38:8-11), establishing His sovereign mastery over that which terrifies humanity. The “depths” are frequently depicted as a place of judgment (Micah 7:19) or unreachable distance (Psalms 36:6).

New Testament Occurrences

Matthew 18:6 – The Lord warns that for anyone who causes a childlike believer to stumble, it would be preferable “to be drowned in the depths of the sea.” The open sea functions as a picture of irrevocable judgment: once consigned there, no return is possible.

Acts 27:5 – Luke describes Paul’s voyage: “After sailing across the open sea off Cilicia and Pamphylia, we came to Myra in Lycia.” Here πέλαγος highlights both the danger facing the apostolic band and the gospel’s advance beyond traditional Jewish confines.

Theological Themes

1. Judgment: In Matthew 18:6 the image intensifies Christ’s warning against leading believers astray. The sea’s depths symbolize finality and divine retribution.
2. Providence and Mission: Acts 27:5 situates Paul in God-directed travels. Even the vast Mediterranean cannot thwart the spread of the gospel, underscoring the Lord’s rule over creation and history.
3. Human Limitation: Both passages remind readers that the sea, while awe-inspiring, is ultimately subject to the Creator (Psalms 95:5).

Historical and Cultural Context

First-century Mediterranean societies feared the open sea. Limited navigation, seasonal storms, and inadequate charts made pelagic journeys perilous. A person lost overboard was effectively dead. Jesus’ allusion to such a fate would have carried visceral impact, while Luke’s travel narrative accentuates the courage of early missionaries who trusted God amid these dangers.

Ministry Implications

• Safeguarding the Vulnerable: Teachers, parents, and leaders must guard against any influence that trips young or new believers. The severe imagery of Matthew 18:6 serves as a sobering accountability.
• Courageous Outreach: Acts 27:5 encourages believers to venture beyond safe harbors for the sake of the gospel, confident that God commands even the open sea.
• Dependence on God’s Sovereignty: Ministry often feels like navigating uncharted waters; the Lord who rules the pelagos guides His servants.

Spiritual Applications

• Repentance and Responsibility: Causing another to sin invites divine displeasure deeper than the sea. Believers are called to humble vigilance.
• Faith Amid Uncertainty: Like Paul, Christians may face vast unknowns. Trust rests not in seamanship but in the One who “stilled the storm to a whisper” (Psalms 107:29).
• Hope of Redemption: Though the sea can picture judgment, Revelation 21:1 anticipates a new creation where “there was no longer any sea,” signaling the removal of chaos and fear.

Related Concepts

θάλασσα—general term for sea; κῦμα—wave; βυθός—depth. Together with πέλαγος these words enrich the biblical portrayal of God’s dominion over watery chaos and His deliverance of His people through it.

Forms and Transliterations
επελέκησαν πελαγει πελάγει πελαγος πέλαγος πέλας πελεκάνα πελεκάνι πελεκητά πελεκητοίς πελεκητών pelagei pelágei pelagos pélagos
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Englishman's Concordance
Matthew 18:6 N-DNS
GRK: ἐν τῷ πελάγει τῆς θαλάσσης
NAS: and to be drowned in the depth of the sea.
KJV: in the depth of the sea.
INT: in the depth of the sea

Acts 27:5 N-ANS
GRK: τό τε πέλαγος τὸ κατὰ
NAS: When we had sailed through the sea along the coast
KJV: when we had sailed over the sea of
INT: the and moreover along

Strong's Greek 3989
2 Occurrences


πελάγει — 1 Occ.
πέλαγος — 1 Occ.

3988
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