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G806

ἀσφαλῶς

asphalōs /as-fal-oce'/ Ask about this word
adverb from ἀσφαλής; securely (literally or figuratively)
assuredly, safely.

Word Study

In depth

A plain-language study of asphalōs — the range of meaning it carries, how Scripture actually uses it, and where it points. Written for readers who don’t know the original language.

Core Meaning & Semantic Range

The Greek word asphalōs, represented by G806, is an adverb that means to act securely. It appears 3 times across 3 unique verses in the Bible. Derived from ἀσφαλής, its meaning encompasses both literal security, as in being kept safely, and figurative certainty, as in knowing something assuredly without a doubt.

Biblical Occurrences & Contextual Analysis

In its biblical applications, G806 is used to convey a high degree of certainty or security. In a literal sense, it describes the secure handling of prisoners. When Judas betrayed Jesus, he gave a token and instructed the guards to "lead him away safely" Mark 14:44. Likewise, after Paul and Silas were beaten with many stripes, the jailor was charged to keep them safely in prison Acts 16:23. Figuratively, the word is used to express undeniable truth. Peter declares to the house of Israel that they should "know assuredly" that God has made the crucified Jesus both Lord and Christ Acts 2:36.

Related Words & Concepts

Several related words help clarify the meaning of G806 in its specific contexts:

  • G1097 ginṓskō (to "know" (absolutely)): This verb is paired with G806 to command an unwavering and certain knowledge of Jesus's lordship, urging people to know assuredly Acts 2:36.
  • G5083 tēréō (to guard): This term, meaning to guard or detain in custody, is intensified by G806 in the command for the jailor to keep the apostles safely Acts 16:23.
  • G2902 kratéō (to use strength, i.e. seize or retain): This word for seizing or taking hold of someone precedes the instruction to lead Jesus away safely, emphasizing the secure nature of the arrest Mark 14:44.

Theological Significance

The theological significance of G806 is seen in the contrast between human and divine security.

  • The World's Attempt at Security: The commands to lead Jesus away safely Mark 14:44 and to keep the apostles safely Acts 16:23 represent humanity's effort to control and suppress God's plan through physical restraint.
  • The Certainty of God's Proclamation: In contrast, the declaration that the house of Israel should know assuredly that Jesus is Lord and Christ establishes a spiritual security that cannot be contained by prisons or guards Acts 2:36.
  • Foundation of Faith: The use of "assuredly" underscores that the gospel message is not based on speculation but on a firm, secure reality established by God Himself, forming a reliable foundation for faith.

Summary

In summary, G806 provides a powerful concept of security. While it can describe the literal, physical act of ensuring a person does not escape, its greater weight is found in the figurative sense of spiritual and intellectual certainty. It illustrates the difference between the world's fragile attempts to enforce its will and the unshakable, assured truth of God's redemptive plan in Jesus Christ.

How the KJV Renders It

Translation

Strong’s lists the renderings but not their weight. These are counted from the King James text of the tagged verses — the bar under each is how often the translators actually reached for it. Select one to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as an adverb across 3 occurrences, inflected in 1 grammatical form — each row is one form, and the bar is how often it is that form.

  • Adverb

Related Words

Related

Other entries the study above points to — each one is drawn from a reference it makes. Follow the trail to see how the words connect.

Theographic Context

Context

The people, places, and span of history the verses containing this word touch on — drawn from the theographic tagging of Scripture. Select any name to isolate its verses in the occurrence list.

Biblical Distribution

Distribution

Appears in 3 verses across 2 of the 27 books. Most frequent in Acts (2 verses); never once in the other 25.

1
Mark
2
Acts

Every Occurrence

Concordance

Every verse where the word is tagged in the King James text. Filter by book, by the English word the translators chose, or search within the verses.

Sources. Definition and numbering: James Strong, Exhaustive Concordance of the Bible (1890). Morphology: STEPBible / Tyndale House (CC BY). Verse tagging: the King James text keyed to Strong’s numbers. Every count on this page is computed from the tagged corpus, not estimated.