λογικός (logikos)
logikos
spiritual
Quick Reference
- Language
- Koine Greek
- Testament
- New Testament
- Occurrences
- 2 verses
- Root
- —
Word Overview
The adjective logikos describes something that belongs to the realm of reason or speech. Derived from logos, it literally means "rational" or "logical," indicating what is agreeable to the mind rather than merely physical or material. In classical usage, it distinguished between the intellectual and the sensory, but in Scripture, it takes on a distinct theological weight.
This word appears only twice in the New Testament, yet its application is striking. In Romans 12:1, Paul urges believers to offer their bodies as a "reasonable service" (logiken latreian). Here, the term suggests that true worship engages the whole person’s intellect and will, not just ritual actions. Similarly, in 1 Peter 2:2, Christians are asked to crave "pure spiritual milk" (ton logikon adelfon gala) to grow in salvation. This metaphor implies nourishment for the soul through the Word, feeding the rational faculty with divine truth.
Translators often render logikos as "spiritual," which captures its contrast with the fleshly or carnal. However, this does not mean mystical or supernatural in an irrational sense. Instead, it points to a worship and growth that are coherent, thoughtful, and aligned with God’s truth. The word reminds readers that faith engages the mind as deeply as the heart.
Based on public-domain lexicons (Strong's, Thayer, Gesenius, Brown-Driver-Briggs and others).
What This Word Means for Your Faith
The word λογικὸς (logikos) bridges the gap between our thinking and our worship. It describes a faith that is fully alive in the mind, not separate from it. When Paul speaks of a 'reasonable service,' he invites us to offer our daily lives as an act of coherent devotion. This means our choices, work, and relationships become part of our worship when they align with God’s truth.
This same word appears in Peter’s letter about craving 'spiritual milk.' Here, it points to the nourishment we receive from Scripture. Just as a baby grows by feeding on physical milk, we grow in salvation by engaging with God’s Word. This growth is not passive; it requires our attention and desire. Faith engages both heart and mind, helping us understand who God is and how He loves us.
Knowing this encourages us to study the Bible seriously. It reminds us that thinking deeply about God is a form of worship. As we learn more about His character, our love for Him deepens. This intellectual engagement grounds our hope in reality, not just feeling.
How it's translated
How this word is rendered word-by-word in the 2 verses where it appears, by frequency.
- reasonable2×
Forms in the text
The inflected forms of this word as they appear in Scripture, by frequency.
- λογικὸν1×
- λογικὴν1×
Key Verses
-
Romans 12:1
Therefore I urge you, brothers, by the mercies of God, to present your bodies a living sacrifice, holy, acceptable to God, which is your spiritual service.
Paul uses this term to redefine worship as a rational, whole-life response to God's mercies rather than mere ritual.
-
I Peter 2:2
as newborn babies, long for the pure spiritual milk, that with it you may grow,
Peter describes the Word of God as 'spiritual milk' that nourishes the believer's intellect and leads to growth in salvation.