ἄχρηστος
unprofitable, useless
Definition
The adjective ἄχρηστος (achrēstos) fundamentally means 'unprofitable,' 'useless,' or 'unserviceable.' It describes something or someone that fails to fulfill its intended purpose or provide benefit. In its single New Testament occurrence, it carries the sense of being spiritually unproductive or having failed to live up to a standard of usefulness. The word can imply a contrast with what is 'chrēstos' (good, kind, or useful), highlighting a state of deficiency or ineffectiveness.
Biblical Usage
This word appears only once in the New Testament, in Philemon 1:11. Here, Paul describes Onesimus, who was formerly 'useless' (ἄχρηστος) to Philemon but has now become 'useful' (εὔχρηστος). The context is deeply relational and economic, as Onesimus was a servant who had departed. Paul uses the term to mark a dramatic spiritual transformation, pivoting from a state of being unprofitable to being profoundly beneficial in the Lord's service.
Etymology
Derived from the alpha-privative prefix ἀ- (a-), meaning 'not' or 'without,' combined with the root 'chrēstos' (χρηστός). 'Chrēstos' itself means 'useful,' 'good,' 'kind,' or 'serviceable,' and is closely related to the verb χράομαι (chraomai), meaning 'to use' or 'to make use of.' Thus, ἄχρηστος literally means 'not useful' or 'unfit for use.' It is a cognate of the more common New Testament word εὔχρηστος (euchrēstos, G2173), meaning 'very useful.'
Semantic Range
Though used only once, ἄχρηστος is theologically significant as it frames the concept of redemption and transformation. In Philemon 1:11, it illustrates the gospel's power to change a person's fundamental identity and purpose. Onesimus's shift from 'useless' to 'useful' mirrors the believer's transition from being dead in sin to being made alive and fruitful in Christ (Ephesians 2:1-5). It underscores that in Christ, no one is beyond being repurposed for God's service, enriching our understanding of grace and new creation.
In the first-century Greco-Roman world, a servant's primary value was economic utility. To label someone as 'useless' (ἄχρηστος) was a severe economic and social judgment, implying they were a liability. Paul's deliberate use of this term to describe Onesimus's past state would have resonated powerfully with Philemon, a slave owner. The subsequent declaration of his new usefulness ('εὔχρηστος') in Christ subverts the purely economic valuation, introducing a spiritual metric of worth defined by relationship to the Lord.
ἀνωφελής (anōphelēs, G512) — emphasizes being unprofitable or bringing no advantage, often in a more general sense. μάταιος (mataios, G3152) — focuses on being vain, futile, or empty, often of idols or human reasoning. ἀργός (argos, G692) — stresses idleness, inactivity, or being lazy, implying a failure to work.
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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