Extended Strong's Greek Lexicon (Abbott-Smith based)
to strengthen
Usage: ἐπι-στηρίζω [in LXX for סָמַךְ, etc. ;] to make stronger, confirm: with accusative, Act.14:22 15:32, 41.† (AS)
Strong's Number
G1991
Language
Greek
Linked Usages
15
Books
8
Strong's G1991 Quick Answer
Strong's G1991 ἐπιστηρίζω (episterizo) is a Greek Strong's word-study entry. episterizo (ep-ee-stay-rid'-zo) v. 1. to support further, i.e. reestablish [from G1909 and G4741] It has 15 linked Bible usages across 8 books. Visible English usage signals include confirming, confirmed, and strengthening. Indexed coverage on this page includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.
- Meaning
- episterizo (ep-ee-stay-rid'-zo) v. 1. to support further, i.e. reestablish [from G1909 and G4741]
- Usage
- 15 linked usages
- Books
- 8 indexed books
- Corpus
- New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha
- Usage Words
- confirming, confirmed, and strengthening
Meaning and Definition
episterizo (ep-ee-stay-rid'-zo) v. 1. to support further, i.e. reestablish [from G1909 and G4741] KJV: confirm, strengthen Root(s): G1909, G4741
Across Lexicons
How independent scholarly lexicons define Strong's G1991. Each definition is shown with its source so you can compare and cite the original reference works.
How Strong's G1991 Is Translated
The English word each shown verse actually uses to render episterizo, taken from the interlinear word alignment (the same word underlined in the excerpts below). Where a rendering is used more than once, the count is shown.
How Strong's G1991 Usage Compares
Indexed coverage includes Septuagint / Greek Old Testament, New Testament, and Deuterocanonical / Apocrypha. Each section below keeps corpus counts and sample passages visible so readers can compare the word across contexts instead of reading one flat concordance list.
- The largest indexed corpus on this page is Septuagint / Greek Old Testament with 10 linked usages.
- This page lets readers compare New Testament usage with Septuagint / Greek Old Testament usage, which is a key THF advantage over narrower Strong's pages.
- Deuterocanonical / Apocrypha rows are counted separately so readers can decide how those texts relate to the main word study.
In the Septuagint (LXX)
Strong's G1991 (ἐπιστηρίζω) appears 11 times in the Greek Septuagint — the Old Testament the New Testament authors quoted.
Sample Septuagint occurrences:
- 2 Kingdoms 1:6 — ἐπεστήρικτο
- Genesis 28:13 — ἐπεστήρικτο
- Isaiah 36:6 — ἐπιστηρισθῇ
- Judges 16:26 — ἐπιστηριχθήσομαι
- Judges 16:29 — ἐπεστηρίχθη
Strong's G1991 by Corpus
Indexed usage grouped by testament and extended corpus so readers can compare this word across the Bible, Septuagint, deuterocanonical books, and 1 Enoch where present.
Strong's G1991 in the New Testament
4 indexed usages in New Testament.
Confirming the souls of the disciples, and exhorting them to continue in the faith, and that we must through much tribulation enter into the kingdom of God.
And Judas and Silas, being prophets also themselves, exhorted the brethren with many words, and confirmed them.
And he went through Syria and Cilicia, confirming the churches.
Strong's G1991 in the Septuagint / Greek Old Testament
10 indexed usages in Septuagint / Greek Old Testament.
And the Lord stood upon it, and said, I am the God of thy father Abraham, and the God of Isaac; fear not, the land on which thou liest, to thee will I give it, and to thy seed.
And Samson said to the young man that held his hand, Suffer me to feel the pillars on which the house rests, and I will stay myself upon them.
And Samson took hold of the two pillars of the house on which the house stood, and leaned on them, and laid hold of one with his right hand, and the other with his left.
Strong's G1991 in the deuterocanonical books / Apocrypha
1 indexed usage in Deuterocanonical / Apocrypha.
Now therefore, O brethren, let us show an example to our brethren, because their hearts depend upon us, and the sanctuary, and the house, and the altar, rest upon us.
Usage Excerpts
First 15 linked usage excerpts for Strong's G1991.
And the Lord stood upon it, and said, I am the God of thy father Abraham, and the God of Isaac; fear not, the land on which thou liest, to thee will I give it, and to thy seed.
And Samson said to the young man that held his hand, Suffer me to feel the pillars on which the house rests, and I will stay myself upon them.
And Samson took hold of the two pillars of the house on which the house stood, and leaned on them, and laid hold of one with his right hand, and the other with his left.
And the young man that brought the tidings, said to him, I happened accidentally to be upon Mount Gilboa; and, behold, Saul was leaning upon his spear, and, behold, the chariots and captains of horse pressed hard upon him.
I will instruct thee and guide thee in this way wherein thou shalt go: I will fix mine eyes upon thee.
For thy weapons are fixed in me, And thou hast pressed thy hand heavily upon me.
On thee have I been stayed from the womb: From the belly of my mother thou art my protector: Of thee is my praise continually.
Thy wrath has pressed heavily upon me, And thou hast brought upon me all thy billows. Pause.
Who is this that comes up all white, Leaning on her kinsman? I raised thee up under an apple tree; There thy mother brought thee forth; There she that bore thee brought thee forth.
Behold, thou trustest on this bruised staff of reed, on Egypt: as soon as a man leans upon it, it shall go into his hand, and pierce it: so is Pharaoh king of Egypt and all that trust in him.
Confirming the souls of the disciples, and exhorting them to continue in the faith, and that we must through much tribulation enter into the kingdom of God.
And Judas and Silas, being prophets also themselves, exhorted the brethren with many words, and confirmed them.
And he went through Syria and Cilicia, confirming the churches.
And after he had spent some time there, he departed, and went over all the country of Galatia and Phrygia in order, strengthening all the disciples.
Now therefore, O brethren, let us show an example to our brethren, because their hearts depend upon us, and the sanctuary, and the house, and the altar, rest upon us.
All Indexed Usage Links
Every indexed verse link for Strong's G1991, grouped by book.
Genesis 1 usage, Septuagint / Greek Old Testament
Judges 2 usages, Septuagint / Greek Old Testament
2 Kingdoms 1 usage, Septuagint / Greek Old Testament
Psalms 4 usages, Septuagint / Greek Old Testament
Song of Solomon 1 usage, Septuagint / Greek Old Testament
Isaiah 1 usage, Septuagint / Greek Old Testament
Acts 4 usages, New Testament
Judith 1 usage, Deuterocanonical / Apocrypha
Strong's G1991 FAQ
What does episterizo (ἐπιστηρίζω) mean?
Episterizo (Strong's G1991) is a Greek word most simply glossed "confirm". episterizo (ep-ee-stay-rid'-zo) v. 1. to support further, i.e. reestablish [from G1909 and G4741]
How many times is episterizo (ἐπιστηρίζω) used in the Bible?
This page currently indexes 15 linked usages for Strong's G1991 across 8 books.
Where can I study episterizo (ἐπιστηρίζω) in context?
Use the linked verse references on this page to study Strong's G1991 in context. The indexed coverage includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.
What English words translate episterizo (ἐπιστηρίζω)?
The visible usage excerpts most often surface English words such as confirming, confirmed, and strengthening. These are scanning signals from the displayed verses, not replacements for the original-language definition.
Does Strong's G1991 appear in the Septuagint or deuterocanonical books?
Yes. The current local index includes 10 in Septuagint / Greek Old Testament and 1 in Deuterocanonical / Apocrypha for Strong's G1991, with linked reader references where each row is available.