3050. logikos
Lexical Summary
logikos: Rational, reasonable, spiritual

Original Word: λογικός
Part of Speech: Adjective
Transliteration: logikos
Pronunciation: lo-ghee-KOS
Phonetic Spelling: (log-ik-os')
KJV: reasonable, of the word
NASB: spiritual, word
Word Origin: [from G3056 (λόγος - word)]

1. rational ("logical")

Strong's Exhaustive Concordance
thoughtful, reasonable

From logos; rational ("logical") -- reasonable, of the word.

see GREEK logos

HELPS Word-studies

3050 logikós (from 3056 /lógos, "reason") – properly, logical because divinely reasonable, i.e. "what is logical to God" (logic working through the divine reasoning known through faith).

The believer grasps "divine reasonableness" (3050 /logikós) by the Lord's inbirthings (gift) of faith – hence the close connection between 3050 (logikós) and faith (4102 /pístis) in Ro 12:1-3 (cf. 1 Pet 1:21, 2:2).

3050 /logikós ("divinely reasonable") is constantly necessary in making acceptable offerings to the Lord – each of which is equally profound to eternity when done in faith ("divine persuasion"). These produce a "seamless" life in which every decision (action) can have profound, eternal meaning, even in earthly "setbacks" or suffering (cf. Mt 13:31,32,17:20 with Ro 8:18).

NAS Exhaustive Concordance
Word Origin
from logos
Definition
reasonable, rational
NASB Translation
spiritual (1), word (1).

Thayer's Greek Lexicon
STRONGS NT 3050: λογικός

λογικός, λογικη, λογικόν (from λόγος reason) (Tim. Locr., Demosthenes, others), rational (Vulg.rationabilis); agreeable to reason, following reason, reasonable: λατρεία λογικη, the worship which is rendered by the reason or soul (`spiritual'), Romans 12:1 (λογικη καί ἀναίμακτος προσφορά, of the offering which angels present to God, Test xii. Patr. (test. Levi § 3), p. 547, Fabric. edition; (cf. Athenagoras, suppl. pro Christ. § 13 at the end)); τό λογικόν γάλα, the milk which nourishes the soul (see γάλα), 1 Peter 2:2 (λογικη τροφή, Eus. h. e. 4, 23 at the end).

Topical Lexicon
Overview of New Testament Usage

The adjective “λογικός” appears only twice in the Greek New Testament (Romans 12:1; 1 Peter 2:2). In both contexts it describes that which is in harmony with the Word (λόγος) and therefore suited to a new-covenant life governed by mind and spirit rather than by ritual externals. It links the believer’s worship and growth to thoughtful, Scripture-shaped engagement with God.

Context in Romans 12:1 – Worship Transformed

Romans 12 opens Paul’s practical section after eleven chapters of doctrine. The apostle urges believers:

“Therefore, brothers, I urge you, on account of God’s mercy, to offer your bodies as living sacrifices, holy and pleasing to God, which is your spiritual service of worship.” (Romans 12:1)

Here “λογική” modifies “worship/service” (latreia). Temple sacrifices are replaced by a life surrendered to God. Because the offering is “living,” it is continual; because it is “λογική,” it is intelligent, Spirit-directed, and grounded in revealed truth rather than in ceremonial prescription. The verse therefore:

• Affirms that Christian worship engages the whole person—body presented, mind renewed (Romans 12:2), spirit alive.
• Underscores the priestly identity of all believers (1 Peter 2:5), each presenting an ongoing sacrifice distinguished from Old Testament animal offerings by its rational, moral, and spiritual character.
• Calls for self-conscious dedication—worship is not an emotional impulse but a deliberate response to God’s mercies rehearsed in Romans 1–11.

Context in 1 Peter 2:2 – Nourishment from the Word

Peter applies “λογικός” to the believer’s diet:

“Like newborn infants, crave pure spiritual milk, so that by it you may grow up in your salvation.” (1 Peter 2:2)

The “milk” is “λόγος-like,” that is, consistent with the Word. While Peter could be alluding to elementary teaching, the emphasis lies on quality (“pure”) rather than stage. What sustains growth is nutrition uncontaminated by deceptive doctrine (1 Peter 2:1). Thus:

• Growth is inseparable from consistent intake of Scripture.
• The appetite is evidence of new birth (1 Peter 1:23–25); regeneration implants a longing for gospel truth.
• Spiritual development remains continuous; mature believers never outgrow dependence on the Word.

Intertestamental and Early Church Echoes

Hellenistic writers used “λογικός” of reasoning beings over against mere instinct. Jewish philosophers (for example, Philo) applied it to worship transcending ritual form. Early Christian apologists, drawing on Romans 12:1, contrasted “λογική θυσία” with pagan sacrifices, arguing that Christianity alone offers worship worthy of a rational Creator. The term therefore became a bridge for gospel proclamation within Greco-Roman intellectual culture.

Theological Implications

1. Unity of Word and Worship

Worship that is not grounded in revealed truth ceases to be “λογική.” John 4:24 (“God is Spirit, and His worshipers must worship in spirit and in truth”) converges with Paul’s emphasis: Spirit-wrought worship is necessarily Word-shaped.

2. Sanctified Reason

The mind, renewed by the Spirit, participates in spiritual realities (Ephesians 4:23). Christianity does not bypass intellect; it redeems it. Consequently, anti-intellectualism finds no footing in a “λογικός” faith.

3. Continuity of Sacrifice

Hebrews 13:15 speaks of the “fruit of lips that confess His name.” Such praise is “λογικόν” in character—offered volitionally, informed by doctrine, pleasing through Christ’s mediation.

Practical and Ministerial Applications

• Preaching and Teaching

Ministry must expound Scripture clearly so that hearers can render “λογική” worship. Sermons that stir emotion but leave the mind unenlightened fall short of the apostolic pattern.

• Corporate Worship Planning

Songs, prayers, and ordinances should be saturated with biblical truth. A service designed around spectacle rather than Scripture risks being un-“λογική.”

• Discipleship and Counseling

Growth strategies center on feeding believers with “pure spiritual milk.” Counsel that merely addresses behavior without renewing the mind (Romans 12:2) lacks transforming power.

• Personal Devotion

Regular meditation on the Word guards against syncretism and fuels a life presented as a living sacrifice.

Related Scripture References

John 17:17; Psalm 19:7–11; Colossians 3:16; 2 Timothy 3:16–17; Hebrews 5:12–14; James 1:21–25.

Summary

Strong’s Greek 3050, “λογικός,” intertwines the rational, the spiritual, and the Word-centered. Whether describing the believer’s entire life offered to God (Romans 12:1) or the nourishment that matures that life (1 Peter 2:2), it insists that authentic Christian existence is thoughtful, Scripture-grounded, and Spirit-animated.

Forms and Transliterations
λογικην λογικήν λογικὴν λογικον λογικόν λογικὸν logiken logikēn logikḕn logikon logikòn
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Englishman's Concordance
Romans 12:1 Adj-AFS
GRK: εὐάρεστον τὴν λογικὴν λατρείαν ὑμῶν
NAS: to God, [which is] your spiritual service of worship.
KJV: [which is] your reasonable service.
INT: well-pleasing which is [the] divinely reasonable service of you

1 Peter 2:2 Adj-ANS
GRK: βρέφη τὸ λογικὸν ἄδολον γάλα
NAS: milk of the word, so
KJV: milk of the word, that
INT: infants the divinely reasonable pure milk

Strong's Greek 3050
2 Occurrences


λογικὴν — 1 Occ.
λογικὸν — 1 Occ.

3049
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