ἐνεργής
effective
Definition
The adjective ἐνεργής describes something that is active, effective, or powerfully at work. It signifies a force or quality that is not merely present but is actively producing results. In its three New Testament uses, it consistently conveys this sense of dynamic effectiveness. In 1 Corinthians 16:9, it describes an 'effective' or 'wide-open' door for ministry. In Philemon 6, it refers to the 'effective' working of faith. In Hebrews 4:12, it characterizes the word of God as 'active' and powerful.
Biblical Usage
This word is used only three times, but each instance highlights a different sphere of divine effectiveness. It describes an opportunity for the gospel (1 Corinthians 16:9), the internal operation of faith within a believer (Philemon 6), and the inherent, penetrating power of God's spoken word (Hebrews 4:12). The pattern shows it is applied to spiritual realities—openings, faith, and scripture—that are dynamically at work in the world and in people.
Etymology
Derived from the preposition ἐν ('in') and the noun ἔργον ('work'), the word literally means 'at work' or 'in work.' It is closely related to the more common verb ἐνεργέω (G1754), meaning 'to work' or 'to be effective.' The adjective form emphasizes the inherent quality of being actively operative.
Semantic Range
This word is theologically significant as it underscores the active, powerful nature of God's work in the world. It moves concepts like 'faith' and 'the word of God' from static ideas to dynamic, life-changing forces. Understanding this Greek term enriches reading by highlighting that the gospel creates opportunities, faith produces action, and scripture is a living, penetrating agent of God's judgment and grace (Hebrews 4:12).
In the Greco-Roman world, the concept of something being 'energetic' or 'at work' was often associated with divine power or philosophical principles that actively shaped reality. The New Testament authors co-opted this term to specifically describe the unique, effective power of the Christian God and the spiritual realities He initiates.
δυνατός (dynatos, G1415) — focuses on inherent power or ability, while ἐνεργής emphasizes active operation. ἐνεργέω (energeō, G1754) — the verb form meaning 'to work' or 'to be operative,' describing the action itself.
Word Details
How this works
Definitions are from the Dodson Greek-English Lexicon, a concise public-domain resource suitable for introductory word study. Brief glosses are supplemented by STEPBible TBESG data (CC BY 4.0). For advanced research, standard scholarly references include BDAG (Danker, 3rd ed.) and LSJ.
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