2949. kuma
Lexical Summary
kuma: Wave

Original Word: κῦμα
Part of Speech: Noun, Neuter
Transliteration: kuma
Pronunciation: KOO-mah
Phonetic Spelling: (koo'-mah)
KJV: wave
NASB: waves
Word Origin: [from kuo "to swell (with young)" (i.e. bend, curve)]

1. a billow (as bursting or toppling)

Strong's Exhaustive Concordance
wave.

From kuo (to swell (with young), i.e. Bend, curve); a billow (as bursting or toppling) -- wave.

NAS Exhaustive Concordance
Word Origin
from kuó (to be pregnant, swell)
Definition
a wave
NASB Translation
waves (4).

Thayer's Greek Lexicon
STRONGS NT 2949: κῦμα

κῦμα, κυματος, τό (from κυέῶ to swell; Curtius, § 79; from Homer down), a wave (cf. English swell), especially of the sea or of a lake: Matthew 8:24; Matthew 14:24; Mark 4:37; Acts 27:41 (R G Tr text brackets); κύματα ἄγρια, properly, Wis. 14:1; with θαλάσσης added, of impulsive and restless men, tossed to and fro by their raging passions, Jude 1:13. (Synonym: cf. κλύδων.)

Topical Lexicon
Overview

Strong’s Greek 2949 pictures literal waves surging on open water and, by extension, figurative surges of moral and spiritual unrest. Although the term appears only five times in the Greek New Testament, each context draws on rich Old Testament backgrounds and contributes to a whole-Bible theology in which God alone can still the storm—whether natural, emotional, or doctrinal.

Occurrences in the New Testament

1. Matthew 8:24 – the disciples’ boat is “engulfed by the waves,” revealing their helplessness apart from Christ.
2. Matthew 14:24 – the disciples again battle “waves” while Jesus approaches them on the water.
3. Mark 4:37 – “the waves were breaking over the boat,” immediately before Jesus calms the sea.
4. Acts 27:41 – Paul’s ship is shattered by “the pounding of the waves,” yet divine promise preserves every life.
5. Jude 1:13 – false teachers are likened to “wild waves of the sea, foaming up their own shame.”

Historical and Cultural Background

First-century Jews and Gentiles regarded the sea as both a trade route and a threat. Fishermen on the Sea of Galilee could be overwhelmed in minutes when cool eastern winds collided with warm air rising from the water. Mediterranean sailors likewise dreaded sudden squalls that could dash a vessel onto shoals, as in Acts 27. Thus the New Testament writers use 2949 to evoke terror, power, and unpredictability—forces only the Creator can master.

Symbolism of Waves in Scripture

• Chaos opposed to divine order (Genesis 1:2; Psalm 93:3-4).
• God’s disciplinary hand (Psalm 42:7 – “all Your waves and breakers have swept over me”).
• The restlessness of the wicked (Isaiah 57:20).
• Spiritual instability (James 1:6).
• False teachers (Jude 1:13).

These strands converge so that every Gospel storm narrative becomes a miniature creation account: the Lord speaks, chaos yields, and faith is called forth.

Christ’s Authority Over Creation

The three Synoptic storm scenes center on Jesus’ supremacy:
Matthew 8:26 – “He rebuked the winds and the sea, and it was perfectly calm.”
Mark 4:39 – “Peace! Be still!” underscores His effortless sovereignty.
Matthew 14:32 – as soon as He enters the boat, “the wind died down,” prompting worship (Matthew 14:33).

The waves dramatize human vulnerability, but more importantly they showcase the incarnate Word restoring order with the same divine voice that spoke in Genesis.

Waves as Metaphor for Human Restlessness and False Teaching

Jude 1:13 shifts from physical danger to doctrinal peril: “wild waves of the sea, foaming up their own shame.” Here uncontrolled motion pictures those who reject apostolic truth. Like surf that deposits debris on the shore, their teaching leaves moral ruin. The imagery warns the church that untamed rhetoric and counterfeit grace inevitably expose themselves under the searching light of Scripture.

Ministry Lessons from Acts 27

Paul’s wreck off Malta reveals:
• Even Spirit-directed ministry may encounter violent “waves.”
• God’s promises (“not one of you will perish,” Acts 27:22) stand firm despite destructive circumstances.
• Faithful leadership steadies others; Paul’s calm exhortations contrast with the chaos surrounding him.

Mission therefore advances not by avoidance of storms but by confidence in the Lord who rules them.

Practical Applications

1. Trust Christ amid literal or figurative tempests; His past mastery guarantees present help (Hebrews 13:8).
2. Evaluate teaching by its fruit; true doctrine builds up, false doctrine churns up shame (Titus 1:11).
3. Embrace trials as stages where God proves His sufficiency and matures persevering faith (1 Peter 1:6-7).

Related Old Testament Parallels

Job 38:8-11 and Psalm 107:23-30 foreshadow the Gospel accounts; both portray the Lord setting boundaries for the sea and rescuing sailors who “cry out to the Lord in their trouble.” These texts connect Israel’s covenant God with Jesus of Nazareth, affirming scriptural continuity.

Conclusion

Strong’s 2949, though numerically sparse, forms a thematic thread binding creation, redemption, judgment, and perseverance. Whether describing Galilean squalls, Mediterranean shipwrecks, or the turbulent speech of heretics, the waves ultimately highlight the unassailable lordship of Christ and call every believer to steadfast, discerning faith.

Forms and Transliterations
κύμα κυμαίνουσα κυμαινούσης κυμαίνουσιν κύμασιν κυματα κύματα κύματά κυμάτια κυμάτιον κυματων κυμάτων κυμβαλίζοντες kumata kumaton kumatōn kymata kýmata kymaton kymatōn kymáton kymátōn
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Englishman's Concordance
Matthew 8:24 N-GNP
GRK: ὑπὸ τῶν κυμάτων αὐτὸς δὲ
NAS: was being covered with the waves; but Jesus Himself
KJV: was covered with the waves: but he
INT: by the waves he himself however

Matthew 14:24 N-GNP
GRK: ὑπὸ τῶν κυμάτων ἦν γὰρ
NAS: battered by the waves; for the wind
KJV: tossed with waves: for the wind
INT: by the waves was for

Mark 4:37 N-NNP
GRK: καὶ τὰ κύματα ἐπέβαλλεν εἰς
NAS: of wind, and the waves were breaking over
KJV: of wind, and the waves beat into
INT: And the waves beat into

Acts 27:41 Noun-GNP
GRK: βίας τῶν κυμάτων
INT: violence of the waves

Jude 1:13 N-NNP
GRK: κύματα ἄγρια θαλάσσης
NAS: wild waves of the sea, casting
KJV: Raging waves of the sea, foaming out
INT: waves wild of [the] sea

Strong's Greek 2949
5 Occurrences


κύματα — 2 Occ.
κυμάτων — 3 Occ.

2948
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