What does βέβαιος (bébaios) mean in the Bible?
βέβαιος (bébaios): Firm certainty with legal or covenant guarantee, especially securing God's promises.
Greek · G949
βέβαιος
Stable (literally or figuratively)
Reading a lexicon entry
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.
This lexicon entry is part of our ongoing editorial review. If you notice missing content, unclear wording, or a possible correction, please send us a note through the Connect page. Screenshots are helpful.
βέβαιος G949
Pronunciation bébaios
What does βέβαιος (bébaios) mean in the Bible?
βέβαιος (bébaios): Firm certainty with legal or covenant guarantee, especially securing God's promises.
Full entry for βέβαιος (G949) · Open the biblical lexicon
Questions this entry answers
How does the BSB render G949?
The BSB source-word alignment has 8 aligned rows for this entry. Common renderings include [does not] take effect (1), [is] sure (1), as confirmed beyond doubt (1), binding (1), firmly (1).
Where does βέβαιος (bébaios) appear in Scripture?
The source-word alignment first shows this entry at Romans 4:16. Its strongest book concentrations include Hebrews (4), 2 Peter (2), 2 Corinthians (1), Romans (1).
Source Word Evidence
BSB source-word alignment connects this entry to exact verse rows, English rendering, source form, transliteration, and parsing.
How English Renders It [does not] take effect 1× Hebrews 9:17
[is] sure 1× 2 Corinthians 1:7
as confirmed beyond doubt 1× 2 Peter 1:19
binding 1× Hebrews 2:2
firmly 1× Hebrews 3:14
guaranteed 1× Romans 4:16
secure 1× Hebrews 6:19
sure 1× 2 Peter 1:10
Show sample aligned rows
Romans 4:16 βεβαίαν to guaranteed Adjective - Accusative Feminine Singular 2 Corinthians 1:7 βεβαία to [is] sure Adjective - Nominative Feminine Singular Hebrews 2:2 βέβαιος to binding Adjective - Nominative Masculine Singular Hebrews 3:14 βεβαίαν to firmly Adjective - Accusative Feminine Singular Hebrews 6:19 βεβαίαν to secure Adjective - Accusative Feminine Singular Hebrews 9:17 βεβαία to [does not] take effect Adjective - Nominative Feminine Singular 2 Peter 1:10 βεβαίαν to sure Adjective - Accusative Feminine Singular 2 Peter 1:19 βεβαιότερον to as confirmed beyond doubt Adjective - Accusative Masculine Singular - Comparative
Usage map
A compact distribution from source-word alignment before the full evidence tables.
First aligned row Romans 4:16
Aligned rows 8
Books represented 4
Romans 1 2 Corinthians 1 Hebrews 4 2 Peter 2
Source forms
βεβαίαν 4x bebaian Romans 4:16, Hebrews 3:14, Hebrews 6:19, 2 Peter 1:10
βεβαία 2x bebaia 2 Corinthians 1:7, Hebrews 9:17
βέβαιος 1x bebaios Hebrews 2:2
βεβαιότερον 1x bebaioteron 2 Peter 1:19
Parsing patterns
Adjective - Accusative Feminine Singular 4x Romans 4:16, Hebrews 3:14, Hebrews 6:19, 2 Peter 1:10
Adjective - Nominative Feminine Singular 2x 2 Corinthians 1:7, Hebrews 9:17
Adjective - Accusative Masculine Singular - Comparative 1x 2 Peter 1:19
Adjective - Nominative Masculine Singular 1x Hebrews 2:2
Evidence Summary
Greek word. Firm certainty with legal or covenant guarantee, especially securing God's promises.
Strong's G949
Lexical occurrences 8 verses Greek text appearances 9 times Word forms 4 forms 8 references Verse guides 0 guides
Study link 2 Peter 1:10 Source Gloss
stable (literally or figuratively)
Greek Text Appearances
Textus Receptus witness, full corpus Greek token appearances from Scrivener 1894 Textus Receptus in the full New Testament corpus.
9 Greek text appearances shown. Linked morphology labels have verse guides.
Romans 4:16 Adjective Accusative Singular Feminine
βεβαίαν bebaian
firm, steadfast, enduring
Read verse 2 Corinthians 1:7 Adjective Nominative Singular Feminine
βεβαία bebaia
firm, steadfast, enduring
Read verse Hebrews 2:2 Adjective Nominative Singular Masculine
βέβαιος, bebaiov
firm, steadfast, enduring
Read verse Hebrews 3:6 Adjective Accusative Singular Feminine
βεβαίαν bebaian
firm, steadfast, enduring
Read verse Hebrews 3:14 Adjective Accusative Singular Feminine
βεβαίαν bebaian
firm, steadfast, enduring
Read verse Hebrews 6:19 Adjective Accusative Singular Feminine
βεβαίαν, bebaian
firm, steadfast, enduring
Read verse Hebrews 9:17 Adjective Nominative Singular Feminine
βεβαία, bebaia
firm, steadfast, enduring
Read verse 2 Peter 1:10 Adjective Accusative Singular Feminine
βεβαίαν bebaian
firm, steadfast, enduring
Read verse 2 Peter 1:19 Adjective Accusative Singular Masculine
βεβαιότερον bebaioteron
firm, steadfast, enduring
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.
Grammatical Forms
How this word appears across different grammatical cases and numbers.
This word appears as a noun across 4 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.
Form patterns 4 Aligned forms 8 Case pattern Accusative (5) Number pattern Singular (8)
Verse guides are not available for this word yet, so verse references remain plain evidence markers.
Nominative · Singular · Feminine 2 Cor 1:7 · Heb 9:17 2×
Nominative · Singular · Masculine Heb 2:2 1×
Accusative · Singular · Feminine Rom 4:16 · Heb 3:14 · Heb 6:19 · 2 Pet 1:10 4×
Accusative · Singular · Masculine 2 Pet 1:19 1×
Selected Scripture Witnesses
Selected passage-level study witnesses for this word. This section is not the full occurrence list.
Biblical Witnesses
Calling and election made legally guaranteed and secure through diligent virtue
Prophetic word established as more reliable and stable than eyewitness testimony
Showing 2 selected witnesses from 8 lexical occurrence verses.
Word Origins
βέβαιος is built from this root:
βάσις G939
Part of These Phrases
Compound and idiomatic phrases that include this word. Follow a link to study the phrase and how its parts work together.
Sources
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