G3525 — νήφω (nḗphō)¶

Core Data¶

Strong's: G3525
Original: νήφω
Transliteration: nḗphō
Pronunciation: nay'-fo
Part of Speech: Verb
Root: Of uncertain affinity
Occurrences: 6 unique verses (7 tokens) across 3 books
First Occurrence: 1 Thess 5:6 — "Therefore let us not sleep, as [do] others; but let us watch and be sober."
Hapax Legomenon: No

Lexicon Definition¶

Of uncertain affinity; to abstain from wine (keep sober), i.e. (figuratively) to be discreet, vigilant, watchful, circumspect. The literal sense (abstaining from intoxication) yields the dominant NT figurative use: mental and moral sobriety, a clear-headed alertness especially fitting for those awaiting the end / the Lord's return.

Louw-Nida Semantic Domain¶

Primary Domain: 88.011 — Self-Control, Lack of Self-Control (within 88 — Moral and Ethical Qualities and Related Behavior)
Secondary Domain: 30.001 — To Think, Thought (within 30 — Think)
Other words in self-control subdomain: ἀκρασία (G192), ἀκρατής (G193), ἀφειδία (G857), γυμνάζω (G1128), ἐγκράτεια (G1466), ἐγκρατεύομαι (G1467), ἐγκρατής (G1468), νηφάλιος (G3524), ὑπωπιάζω (G5299), χαλιναγωγέω (G5468)

Dual domain placement is significant: nēphō straddles "self-control" and "thought" — it is cognitive sobriety, a discipline of mind.

UBS Semantic Domains¶

Code	Domain Label	Notes
030	Think	`search_relationships.py` places nēphō in the cognition field, underscoring sober, clear-headed alertness rather than mere wakefulness.
088	Moral and Ethical Qualities and Related Behavior	The same tool also places it in the ethical self-control field, matching the NT calls to disciplined, vigilant conduct.

Translation Distribution (KJV)¶

Translation	Count	%
be sober / Be sober	4	66.7%
watch	2	33.3%
(auxiliary "let")	1	16.7%

(Percentages exceed 100% because one verse can contribute to multiple translation tokens; n=6 unique verses, 7 tokens.)

Distribution by Book¶

Book	Count	Per 100 Verses
1 Peter	3	2.9
1 Thessalonians	2	2.2
2 Timothy	1	1.2

All six occurrences fall in the General Epistles and late Pauline corpus. The word is absent from the Gospels, Acts, and the earlier Pauline letters — concentrated in eschatologically-tinged exhortation to the church. 1 Peter is the densest user (half of all occurrences).

Semantic Categories¶

1. Eschatological Watchfulness — Sobriety Tied to the Day of the Lord¶

1 Thess 5:6 — "let us not sleep, as [do] others; but let us watch and be sober" (in the context of "the day of the Lord... as a thief in the night")
1 Thess 5:8 — "let us, who are of the day, be sober, putting on the breastplate of faith and love"
1 Peter 4:7 — "the end of all things is at hand: be ye therefore sober, and watch unto prayer"

2. Sobriety as Hope-Anchored Mental Preparation¶

1 Peter 1:13 — "gird up the loins of your mind, be sober, and hope to the end for the grace that is to be brought unto you at the revelation of Jesus Christ"

3. Sobriety as Defense Against Spiritual Adversary¶

1 Peter 5:8 — "Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour"

4. Sobriety as Ministerial Discipline¶

2 Tim 4:5 — "But watch thou in all things, endure afflictions, do the work of an evangelist, make full proof of thy ministry"

Common Collocations¶

Word	Strong's	Co-occurrences	Typical Pattern
γρηγορεύω (grēgoreúō)	G1127	2x (33%)	paired: "watch and be sober" / "be sober, be vigilant"
πᾶς (pâs)	G3956	2x (33%)	"all things" — totalizing scope of sobriety
ὡς (hōs)	G5613	2x (33%)	comparative: "as the day," "as a lion"
ἀγάπη (agápē)	G26	1x	breastplate of faith and love (1Th 5:8)
ἀναζώννυμι (anazṓnnymi)	G328	1x	"gird up the loins of your mind" (1Pe 1:13)
ἀντίδικος (antídikos)	G476	1x	"your adversary" (1Pe 5:8)
ἀποκάλυψις (apokálypsis)	G602	1x	"revelation of Jesus Christ" (1Pe 1:13)
διάβολος (diábolos)	G1228	1x	"the devil" (1Pe 5:8)
διάνοια (diánoia)	G1271	1x	"loins of your mind" (1Pe 1:13)
ἐλπίζω / ἐλπίς (elpízō/elpís)	G1679/G1680	1x each	"hope to the end" (1Pe 1:13)
θώραξ (thṓrax)	G2382	1x	"breastplate" of armor (1Th 5:8)
ἡμέρα (hēméra)	G2250	1x	"of the day" — eschatological identity (1Th 5:8)

Typical pairing: nēphō almost always appears with a watchfulness verb (grēgoreúō) or in armor/preparation imagery (girding, breastplate). It is never a solitary virtue but is yoked to alertness.

Word Family / Cognates¶

G3524 νηφάλιος (nēphálios) — adjective: sober, vigilant, temperate (used of bishops, deacons' wives, aged men — 1Tim 3:2, 3:11; Titus 2:2)
G366 ἀνανήφω (ananḗphō) — compound with ἀνα- (again/up): "recover oneself," come to one's senses (only 2Tim 2:26, of escaping the devil's snare)
G1594 ἐκνήφω (eknḗphō) — compound with ἐκ- (out): "awake out of," "come to sobriety" (only 1Cor 15:34, "Awake to righteousness")

Synonyms¶

search_relationships.py surfaced nearby watchfulness terms rather than strict lexical equivalents: - G69 ἀγρυπνέω (agrypnéō) — be sleepless, keep watch - G1127 γρηγορέω (grēgoréō) — stay awake, watch

Antonyms¶

No antonyms were returned by search_relationships.py for G3525.

Word	Strong's	Verses	Key Difference
γρηγορεύω (grēgoreúō)	G1127	10	"keep awake, stay watchful" — literal vigilance; stronger sense of not sleeping
φυλακή (phylakḗ)	G5438	5	noun: a guard, watch (as a station or period), not inner disposition
ἀγρυπνέω (agrypnéō)	G69	2	"be sleepless" — watchful prayer, alertness from sleeplessness
κουστωδία (koustōdía)	G2892	2	Latin loanword: military "custody" / guard-unit

nēphō is distinct within this cluster because its root sense is abstinence from intoxication, not wakefulness. The watchfulness it names is the clarity of an unintoxicated mind — sobriety extended metaphorically to moral/eschatological alertness. This differs from grēgoreúō (not sleeping) and agrypnéō (sleepless vigil), which address bodily wakefulness rather than cognitive-moral clarity.

Domain Neighbors (Self-Control — L-N 88.011)¶

Word	Strong's	Verses	Key Difference
ἀκρασία (akrasía)	G192	2	the opposite: lack of self-control
ἐγκράτεια (enkráteia)	G1466	3	general self-mastery (fruit of the Spirit, Gal 5:23)
ἐγκρατεύομαι (enkrateúomai)	G1467	3	the verb: exercise self-control, especially sexually/athletically
γυμνάζω (gumnázō)	G1128	4	train/exercise — the process of building self-control
νηφάλιος (nēphálios)	G3524	3	adjectival cognate — the sober person
ὑπωπιάζω (hupōpiázō)	G5299	2	"beat under" — discipline by subjugation (1Cor 9:27)
χαλιναγωγέω (chalinagōgéō)	G5468	2	"bridle" — self-control pictured as reining in

Hebrew Source¶

No LXX-mediated Hebrew source. Nēphō is not used in the LXX to translate a standard Hebrew word; it enters the biblical vocabulary essentially as an NT figurative-ethical term rooted in the Greek cultural value of not being drunk. (The LXX translators instead used nēphō's cognate field sparingly, e.g., nēphálios does not render a single fixed Hebrew term.)

This makes nēphō a Greek-native exhortation vocabulary — unlike many NT ethical terms, it carries no strong Hebrew substrate.

Grammatical Note¶

All NT occurrences are in the imperative mood (present active, 2nd person) or hortatory subjunctive: - 1Th 5:6 — pres. act. subjunctive 1pl (hortatory): "let us be sober" - 1Th 5:8 — pres. act. subjunctive 1pl (hortatory) - 2Tim 4:5 — pres. act. imperative 2sg: "watch thou" - 1Pe 1:13 — aorist act. participle used imperativally / pres. imp. - 1Pe 4:7 — aorist act. imperative 2pl: "be sober" - 1Pe 5:8 — aorist act. imperative 2pl: "Be sober"

The verb is always a command to the community, never a descriptive statement. No verse uses nēphō to describe what someone is; every verse calls readers to become sober.