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G1810

ἐξαίφνης

exaíphnēs /ex-ah'-eef-nace/ Ask about this word
from ἐκ and the base of αἰφνίδιος
of a sudden (unexpectedly)
suddenly. Compare ἐξάπινα.

Word Study

In depth

A plain-language study of exaíphnēs — 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 exaíphnēs, represented by G1810, means of a sudden or unexpectedly. Derived from ἐκ G1537, it emphasizes an event that erupts from an external source without warning. It appears 5 times across 5 unique verses, consistently highlighting moments of abrupt and unforeseen change.

Biblical Occurrences & Contextual Analysis

In its biblical usage, G1810 marks pivotal moments of spiritual intervention. It describes the appearance of the heavenly host to the shepherds, where a multitude of angels was suddenly present with the first angel, praising God Luke 2:13. The word is used twice to describe the dramatic conversion of Saul on the road to Damascus, where suddenly a light from heaven shone around him (Acts 9:3, Acts 22:6). It is also used to describe a spiritual attack, where a spirit takes a man and he suddenly cries out Luke 9:39. Finally, it serves as a warning of Christ's return, urging believers to remain watchful lest he come suddenly Mark 13:36.

Related Words & Concepts

Several related words help frame the context of these sudden events:

  • G1537 ek (from, out of): As a root of G1810, this preposition denotes origin. It highlights that the sudden event comes "from" an external source, such as the great light that shone from heaven during Saul's conversion Acts 22:6.
  • G5457 phōs (light): This word is frequently associated with the sudden divine interruptions described by G1810. In the accounts of Saul's conversion, a light from heaven is what suddenly appears, signifying a moment of divine revelation Acts 9:3.
  • G2064 érchomai (to come or go): This word for "coming" is paired with G1810 to create a sense of impending, unscheduled arrival. It is used in the warning to believers to be ready for the master's return, lest coming suddenly he find them unprepared Mark 13:36.

Theological Significance

The theological weight of G1810 underscores the unpredictable nature of the spiritual realm's interaction with the physical world.

  • Divine Revelation: The word is used to signal moments of direct divine disclosure. The suddenly appearing angelic host at the nativity Luke 2:13 and the light on the Damascus road Acts 9:3 are unannounced, sovereign acts of God breaking into human history.
  • Spiritual Urgency: Its use in parables and warnings emphasizes the need for constant spiritual readiness. Believers are called to live in a state of watchfulness precisely because the final accounting can come suddenly, without any prior signal Mark 13:36.
  • Supernatural Encounters: The term is not limited to holy events. It also describes the terrifying and abrupt nature of demonic affliction, as when a spirit seizes a man and he suddenly cries out, showing the violent and unexpected reality of spiritual conflict Luke 9:39.

Summary

In summary, G1810 is a word that signifies more than mere speed; it conveys the complete lack of expectation preceding a momentous event. Whether announcing the arrival of a heavenly host, marking a life-altering divine encounter, or warning of a future return, exaíphnēs reminds the reader that the most significant spiritual realities can manifest in an instant, demanding a response of either awe or readiness.

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 5 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 5 verses across 3 of the 27 books. Most frequent in Luke and Acts (2 verses each); never once in the other 24.

1
Mark
2
Luke
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.