G1163 — δεῖ (deî)¶

Core Data¶

Strong's: G1163
Original: δεῖ
Transliteration: deî
Pronunciation: die
Part of Speech: Verb (impersonal — 3rd person singular present active of δέω; also neuter participle δέον, deh-on')
Root: δέω (G1210) — to bind; impersonal form = "it is binding/necessary"
Occurrences: 104 unique verses (105 tokens) in NT
Books: 19
First Occurrence: Mat 16:21 — "he must go unto Jerusalem, and suffer many things"
Hapax Legomenon: No

Lexicon Definition¶

Third person singular active present of δέω (to bind); also neuter participle form δέον (deh-on'). An impersonal verb expressing necessity, compulsion, or obligation. It is necessary; there is need of; it is proper; one must. The force ranges from absolute divine necessity to moral obligation, depending on context.

Semantic Domains¶

Louw-Nida: - 71.34 — Should, Ought - 71.35 — Necessary, Unnecessary

Other words in 71.34: ἀναγκαστῶς (G317), ἀνάγκη (G318), ἔξεστι(ν) (G1832), ὀφείλω (G3784), χρεία (G5532)

UBS Semantic Domains: - [071] Mode

Translation Distribution (KJV)¶

Translation	Verses	%
must	57	54.8%
ought (various forms)	26	25.0%
should	2	1.9%
must needs	2	1.9%
it behoved	1	1.0%
meet / was meet	2	1.9%
need / it was needful	2	1.9%
Wherefore	1	1.0%
Other	11	10.6%

Distribution by Book¶

Book	Count	Per 100 Verses
Titus	2	4.3
1 Timothy	4	3.5
Acts	25	2.5
2 Timothy	2	2.4
2 Thessalonians	1	2.1
Colossians	2	2.1
Revelation	8	2.0
Luke	19	1.7
2 Peter	1	1.6
2 Corinthians	3	1.2
John	10	1.1
1 Thessalonians	1	1.1
Hebrews	3	1.0
1 Peter	1	1.0
Mark	6	0.9
1 Corinthians	4	0.9
Matthew	8	0.7
Romans	3	0.7
Ephesians	1	0.6

The Pastoral Epistles (Titus, 1–2 Timothy) show the highest density — δεῖ is the characteristic word for church-office qualifications. Acts leads in raw count (25 occurrences), reflecting Paul's missionary compulsion and theological argumentation. Absent from: all OT books (NT-only word), shorter epistles (Galatians, Philippians, Philemon, 2 John, 3 John, Jude).

Semantic Categories¶

1. Messianic Necessity — The Son of Man Must Suffer and Rise¶

The Gospels use δεῖ to express the divine-necessity of Christ's passion and resurrection. This is Synoptic theology's defining use of the word. - Mat 16:21 — "he must go unto Jerusalem, and suffer many things of the elders and chief priests and scribes, and be killed, and be raised again the third day" - Mark 8:31 — "the Son of man must suffer many things, and be rejected of the elders, and of the chief priests, and scribes, and be killed" - Luke 24:26 — "Ought not Christ to have suffered these things, and to enter into his glory?" - John 20:9 — "they knew not the scripture, that he must rise again from the dead"

2. Eschatological Necessity — Things That Must Come to Pass¶

Wars, cosmic signs, and prophetic events carry δεῖ — they are divinely appointed to occur before the end. - Mat 24:6 — "all these things must come to pass, but the end is not yet" - Mark 13:7 — "such things must needs be; but the end shall not be yet" - Rev 1:1 — "things which must shortly come to pass" - Rev 4:1 — "things which must be hereafter"

3. Theological Necessity — What God Requires for Salvation and Worship¶

Statements about divinely required conditions for approaching or being accepted by God. - John 3:7 — "Ye must be born again" - John 4:24 — "they that worship him must worship him in spirit and in truth" - Acts 4:12 — "neither is there salvation in any other… whereby we must be saved" - Acts 16:30 — "Sirs, what must I do to be saved?" - Heb 11:6 — "he that cometh to God must believe that he is"

4. Divine Mission / Prophetic Compulsion¶

Jesus and Paul use δεῖ to express an inescapable calling placed upon them by God. - Luke 4:43 — "I must preach the kingdom of God to other cities also: for therefore am I sent" - Luke 13:33 — "I must walk to day, and to morrow, and the day following: for it cannot be that a prophet perish out of Jerusalem" - John 9:4 — "I must work the works of him that sent me, while it is day" - Acts 23:11 — "as thou hast testified of me in Jerusalem, so must thou bear witness also at Rome"

5. Ethical Obligation — How Believers and Leaders Must Conduct Themselves¶

Particularly dense in the Pastorals: qualifications for church office and patterns of Christian living. - 1 Tim 3:2 — "A bishop then must be blameless, the husband of one wife…" - 1 Tim 3:7 — "he must have a good report of them which are without" - Eph 6:20 — "that therein I may speak boldly, as I ought to speak" - 2 Th 3:7 — "yourselves know how ye ought to follow us" - Heb 2:1 — "we ought to give the more earnest heed to the things which we have heard"

6. Cosmic Salvific Necessity — Reign, Resurrection, Judgment¶

Final eschatological realities that must be fulfilled in salvation history. - 1 Cor 15:25 — "he must reign, till he hath put all enemies under his feet" - 1 Cor 15:53 — "this corruptible must put on incorruption, and this mortal must put on immortality" - 2 Cor 5:10 — "we must all appear before the judgment seat of Christ"

Common Collocations¶

Word	Strong's	Co-occurrences	Typical Pattern
θεός (theós)	G2316	15x (14%)	"must obey God," divine necessity grounding
γίνομαι (gínomai)	G1096	12x (12%)	"must come to pass" — appointed events
ἔρχομαι (érchomai)	G2064	11x (11%)	coming/going that is divinely appointed
Ἰησοῦς (Iēsoûs)	G2424	10x (10%)	Messianic necessity statements
ἡμέρα (hēméra)	G2250	9x (9%)	day-references in eschatological contexts
πάσχω (páschō)	G3958	9x (9%)	"must suffer" — Messianic passion cluster
κύριος (kýrios)	G2962	8x (8%)	Lord as authority grounding the necessity
ἀνίστημι (anístēmi)	G450	6x (6%)	"must rise" — resurrection necessity
γραμματεύς (grammateús)	G1122	6x (6%)	scribes in Messianic necessity discussions

Word Family / Cognates¶

G1210 δέω (déō) — root verb: to bind, tie; the literal binding idea underlies δεῖ's force of compulsion
G1163 δεῖ — impersonal present: "it is binding/necessary now"
G1163 δέον (déon) — neuter participle form of the same word (also G1163 in Strong's)

Synonyms¶

G3784 ὀφείλω (opheilō) — owe; by extension, ought / be obligated. search_relationships.py surfaced it as the closest personal-obligation parallel to δεῖ.
G5534 χρή (chrē) — "ought" (KJV, 1x); a rare impersonal necessity term overlapping with δεῖ's force.

Antonyms¶

No antonyms were returned by search_relationships.py for G1163.

Easily Confused Words¶

Word	Strong's	Shared KJV Translation	Key Difference
ὀφείλω (opheílō)	G3784	both → "ought"	ὀφείλω = moral debt owed to another person; δεῖ = divine/inherent necessity. ὀφείλω has personal relational texture; δεῖ is more absolute
μέλλω (méllō)	G3195	both → "should"	μέλλω = "about to" or "intending to" — imminent futurity; δεῖ = obligation/necessity. μέλλω is temporal; δεῖ is deontic
ἀνάγκη (anánkē)	G318	both → "must needs" / "necessity"	ἀνάγκη = the noun "necessity, compulsion, distress"; δεῖ = the verbal expression of that necessity
ἔξεστι(ν) (éxestin)	G1832	overlap in "ought" contexts	ἔξεστι = "it is lawful/permissible" — possibility side; δεῖ = "it is necessary/required" — obligation side