What does εἷς (heîs) mean in the Bible?
Εἷς is a Greek word for one. It can mark numerical singularity, uniqueness, unity, shared identity, or one member within a larger comparison, depending on the noun and argument.
One
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What this page is: Each lexicon entry shows the original Hebrew or Greek word behind the English translation: its meaning, its range of use, and where it appears in Scripture.
Strong's number: The Strong's code (H- or G-) is the standard reference number for this word. It connects this entry to chapter and passage language tabs.
Where it appears: The witness passages show where this word is used in context. Click any to open the study page for that passage.
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Εἷς is a Greek word for one. It can mark numerical singularity, uniqueness, unity, shared identity, or one member within a larger comparison, depending on the noun and argument.
Reader summary
Full entry for εἷς (G1520) · Open the biblical lexicon
Εἷς is a Greek word for one. It can mark numerical singularity, uniqueness, unity, shared identity, or one member within a larger comparison, depending on the noun and argument.
The BSB source-word alignment has 345 aligned rows for this entry. Common renderings include one (192), a (16), . . . (11), a single (11), [the other] (7).
The source-word alignment first shows this entry at Matthew 5:18. Its strongest book concentrations include Matthew (66), Mark (44), Luke (43), John (40).
This entry includes 8 verse guides that explain exact original-language forms in context.
Εἷς is a Greek word for one. It can mark numerical singularity, uniqueness, unity, shared identity, or one member within a larger comparison, depending on the noun and argument.
Pastorally, this word matters because Scripture uses one language in major confessional and theological places: one God, one mediator, one body, one Spirit, and oneness in Christ. It also appears in ordinary counting and narrative details. Careful reading asks what kind of oneness the sentence is naming.
The word should not be used carelessly to prove more than the passage says. One may mean one in number, one in unity, one as unique, or one in representative contrast.
Heis is currently counted about 342 times in the local Greek artifact. It can mean one, single, unique, united, or one member in context.
Jesus replied, “This is the most important: ‘Hear, O Israel, the Lord our God, the Lord is One.
Jesus cites the confession that the Lord is one. The word serves monotheistic confession in the passage.
I and the Father are one.”
Jesus says, I and the Father are one. The passage carries the theological force; the word marks oneness.
There is neither Jew nor Greek, slave nor free, male nor female, for you are all one in Christ Jesus.
Believers are all one in Christ Jesus. The word marks unity in Christ across social divisions.
There is one body and one Spirit, just as you were called to one hope when you were called;
Paul names one body and one Spirit. The word serves the unity appeal of the passage.
For there is one God, and there is one mediator between God and men, the man Christ Jesus,
There is one God and one mediator. The word marks exclusive confession and mediation.
BSB source-word alignment connects this entry to exact verse rows, English rendering, source form, transliteration, and parsing.
How English Renders ItA compact distribution from source-word alignment before the full evidence tables.
Verse-level guides showing how this original-language form works in its specific context, including grammar, verse function, and guarded interpretation.
Greek word. Unity emphasizing singularity to exclusion of others; theologically expresses oneness in Christ and divine nature.
Textus Receptus witness, full corpus Greek token appearances from Scrivener 1894 Textus Receptus in the full New Testament corpus.
16 of 355 Greek text appearances shown. Linked morphology labels have verse guides.
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Read verseFull New Testament corpus: 260 chapters, 7,957 verses, 140,628 tokens. Data source: honza/textus-receptus (data only), with authority check against byztxt/greektext-textus-receptus.
How this word appears across different grammatical cases and numbers.
This word appears as a noun across 10 case and number patterns. The form changes show how the word functions in a sentence; they do not change the basic lexical meaning by themselves.
Selected passage-level study witnesses for this word. This section is not the full occurrence list.
Showing 5 selected witnesses from 342 lexical occurrence verses.
Compound and idiomatic phrases that include this word. Follow a link to study the phrase and how its parts work together.
Heis marks one. It may be numerical, unique, relational, or united, depending on the noun and argument.
1Tim.2.5
Heis inflects by gender, case, and number. Its theological weight comes from the modified noun and the argument, not from the numeral alone.
Scripture confesses the one God and then speaks of one mediator, one body, and one people in Christ. heis can mark those claims, but it must not replace the passage argument.
MorphGNT Strong's Dictionary XML — CC0 1.0 Public Domain
Open Scriptures Hebrew Bible (morphhb/OSHB) — CC BY 4.0
Open Scriptures Hebrew Lexicon — CC BY 4.0
Berean Standard Bible (BSB) source-word alignment - CC0 Public Domain