544. apeitheó
Lexical Summary
apeitheó: Disobey, be disobedient, refuse to believe

Original Word: ἀπειθέω
Part of Speech: Verb
Transliteration: apeitheó
Pronunciation: ah-pay-THAY-oh
Phonetic Spelling: (ap-i-theh'-o)
KJV: not believe, disobedient, obey not, unbelieving
NASB: disobedient, obey, disbelieved, do not obey
Word Origin: [from G545 (ἀπειθής - disobedient)]

1. to disbelieve (wilfully and perversely)

Strong's Exhaustive Concordance
to disbelieve, disobey

From apeithes; to disbelieve (wilfully and perversely) -- not believe, disobedient, obey not, unbelieving.

see GREEK apeithes

HELPS Word-studies

Cognate: 544 apeithéō – literally, refuse to be persuaded (by the Lord). See 543 (apeitheia).

NAS Exhaustive Concordance
Word Origin
from apeithés
Definition
to disobey
NASB Translation
disbelieved (1), disobedient (10), do not obey (1), obey (2).

Thayer's Greek Lexicon
STRONGS NT 544: ἀπειθέω

ἀπειθέω, ἀπειθῶ; imperfect ἠπείθουν; 1 aorist ἠπείθησα; "to be ἀπειθής (which see); not to allow oneself to be persuaded; not to comply with;

a. to refuse or withhold belief (in Christ, in the gospel; opposed to πιστεύω): τῷ υἱῷ, John 3:36; τῷ λόγῳ, 1 Peter 2:8; 1 Peter 3:1; absolutely of those who reject the gospel, (R. V. to be disobedient; cf. b.): Acts 14:2; Acts 17:5 (Rec.); ; Romans 15:31; 1 Peter 2:7 (T Tr WH ἀπιστοῦσιν).

b. to refuse belief and obedience: with the dative of thing or of person, Romans 2:8 (τῇ ἀλήθεια); f (τῷ θεῷ); 1 Peter 4:17; absolutely, Romans 10:21 (Isaiah 65:2); Hebrews 3:18; Hebrews 11:31; 1 Peter 3:20. (In the Sept. a common equivalent to מָרָה, סָרַר; in Greek writings often from Aeschylus Ag. 1049 down; in Homer et al. ἀπίθειν.)

Topical Lexicon
Definition and Conceptual Background

The verb ἀπειθέω expresses a settled refusal to be persuaded, an obstinate resistance that shows itself both as unbelief and as disobedience. In Scripture, trust in God and submission to His word are inseparable; therefore unbelief inevitably manifests itself in moral rebellion, whereas genuine faith demonstrates itself in obedience (compare Romans 1:5, though a different verb). ἀπειθέω highlights the relational breach that occurs when the Creator’s self-revelation is willfully rejected.

Old Testament Backdrop

Although ἀπειθέω appears only in the New Testament, its thought-world is rooted in Israel’s covenant story. The Septuagint often renders Hebrew terms for stubbornness or failure to heed (for example, מָרָה and לֹא שָׁמַע) with cognate forms, preparing the theological stage for the New Testament’s linkage of faith to obedience and unbelief to covenant breaking (see Deuteronomy 9:23; Psalm 78:22). Israel’s wilderness generation becomes the archetype of ἀπειθέω in Hebrews 3:18.

New Testament Occurrences

Gospel Witness

John 3:36 uses the present participle ἀπειθῶν to set a stark antithesis: “Whoever believes in the Son has eternal life; whoever rejects the Son will not see life, but the wrath of God remains on him.” The verb underlines that unbelief is more than intellectual doubt; it is an active rejection that leaves a person under divine judgment.

Apostolic Mission in Acts

Acts 14:2 and 19:9 portray Jewish opposition to the gospel. “The unbelieving Jews stirred up the Gentiles” (Acts 14:2). Later, in Ephesus, “some became obstinate and refused to believe” (Acts 19:9). Luke thereby identifies ἀπειθέω as the principal obstacle the early missionaries faced—an obstinacy endangering not only their hearers but the entire mission field.

Pauline Teaching

Romans employs the verb seven times to weave a salvation-historical tapestry.
Romans 2:8 contrasts those who “reject the truth” with those who obey it, placing ἀπειθέω at the root of divine wrath.
Romans 10:21 cites Isaiah to explain Israel’s present condition: “a disobedient and obstinate people.”
Romans 11:30-31 draws a paradoxical encouragement for Gentiles: Israel’s disobedience became the occasion for mercy to flow outward, and the same mercy will one day conquer Jewish unbelief.
Romans 15:31 asks prayer for deliverance “from the unbelievers in Judea,” showing that persistent ἀπειθέω could even threaten apostolic safety.

Hebrews

Hebrews 3:18 links ἀπειθήσασιν with failure to enter God’s rest, stressing that unbelief bars participation in the promised inheritance. In Hebrews 11:31 Rahab is contrasted with “those who were disobedient,” displaying how faith delivers while unbelief destroys.

1 Peter

Peter employs the verb five times.
1 Peter 2:8—unbelievers stumble over Christ the cornerstone.
1 Peter 3:1—some husbands “refuse to believe the word,” yet may be won by godly conduct.
1 Peter 3:20—Noah’s generation “disobeyed long ago,” positioning the flood as a type of final judgment.
1 Peter 4:17 warns that if judgment begins with believers, “what will be the outcome for those who do not obey the gospel of God?”

Theological Significance

1. Unbelief as Moral Rebellion. ἀπειθέω unites mind and will: rejection of God’s truth issues in concrete resistance to His authority.
2. Covenant and Mission. The verb exposes why both Jew and Gentile need the gospel; neither ethnicity nor religious heritage can substitute for obedience of faith.
3. Mercy Triumphs. Romans 11 shows that even entrenched ἀπειθέω can be overruled by divine mercy. God’s faithfulness ensures that disobedience never has the final word.
4. Eschatological Consequences. From Noah’s flood to final judgment (1 Peter 3:20; 4:17), unbelief invites wrath, highlighting the urgency of evangelism.

Pastoral and Ministry Implications

• Evangelism must aim not only to inform but to persuade hearts, addressing the volitional core of unbelief.
• Persistent ἀπειθέω often provokes hostility (Acts 14:2; 19:9); ministers should expect opposition yet continue in patient proclamation.
• Christian conduct can soften resistance (1 Peter 3:1), showing that apologetics is lived as well as spoken.
• Intercession remains vital. Paul’s plea in Romans 15:31 models prayer for gospel workers endangered by unbelief.

Historical Reflection

Early church fathers saw ἀπειθέω fulfilled in both Jewish and pagan rejection of the gospel, yet they also cited Romans 11 to justify hope for Israel’s future restoration. Reformation commentators, stressing sola fide, used the verb to prove that justifying faith cannot be separated from a submissive spirit; antinomianism was labeled a subtle form of ἀπειθέω.

Contemporary Relevance

Modern skepticism mirrors the first-century pattern. Where culture rejects biblical authority, the church must answer with clear proclamation and holy living, trusting that the Spirit who once turned persecutors into apostles can still overcome ἀπειθέω today.

Forms and Transliterations
απειθεί απείθει απειθείν απειθείς απειθείτω απειθησαντες απειθήσαντες ἀπειθήσαντες απειθήσασι απειθήσασί απειθησασιν ἀπειθήσασιν ἀπειθήσασίν απειθήση απειθήσης απειθήσητε απειθουντα απειθούντα ἀπειθοῦντα απειθούντας απειθουντες απειθούντες ἀπειθοῦντες απειθουντων απειθούντων ἀπειθούντων απειθουσι απειθούσι ἀπειθοῦσι απειθουσιν απειθούσιν ἀπειθοῦσιν απειθώ απειθων απειθών ἀπειθῶν ηπειθήσαμεν ηπειθησαν ηπείθησαν ἠπείθησαν ηπειθησατε ηπειθήσατε ἠπειθήσατε ηπείθησε ηπειθουν ηπείθουν ἠπείθουν apeithesantes apeithēsantes apeithḗsantes apeithesasin apeithēsasin apeithḗsasin apeithḗsasín apeithon apeithôn apeithōn apeithō̂n apeithounta apeithoûnta apeithountes apeithoûntes apeithounton apeithountōn apeithoúnton apeithoúntōn apeithousi apeithoûsi apeithousin apeithoûsin epeithesan epeíthesan ēpeithēsan ēpeíthēsan epeithesate epeithḗsate ēpeithēsate ēpeithḗsate epeithoun epeíthoun ēpeithoun ēpeíthoun
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Englishman's Concordance
John 3:36 V-PPA-NMS
GRK: ὁ δὲ ἀπειθῶν τῷ υἱῷ
NAS: life; but he who does not obey the Son
KJV: and he that believeth not the Son
INT: he that moreover is not subject to the Son

Acts 14:2 V-APA-NMP
GRK: οἱ δὲ ἀπειθήσαντες Ἰουδαῖοι ἐπήγειραν
NAS: But the Jews who disbelieved stirred
KJV: But the unbelieving Jews stirred up
INT: but [the] unbelieving Jews stirred up

Acts 19:9 V-IIA-3P
GRK: ἐσκληρύνοντο καὶ ἠπείθουν κακολογοῦντες τὴν
NAS: were becoming hardened and disobedient, speaking evil
KJV: and believed not, but spake evil
INT: were hardened and disobeyed speaking evil of the

Romans 2:8 V-PPA-DMP
GRK: ἐριθείας καὶ ἀπειθοῦσι τῇ ἀληθείᾳ
NAS: who are selfishly ambitious and do not obey the truth,
KJV: and do not obey the truth,
INT: self-interest and who disobey the truth

Romans 10:21 V-PPA-AMS
GRK: πρὸς λαὸν ἀπειθοῦντα καὶ ἀντιλέγοντα
NAS: OUT MY HANDS TO A DISOBEDIENT AND OBSTINATE
KJV: unto a disobedient and
INT: to a people disobeying and contradicting

Romans 11:30 V-AIA-2P
GRK: ὑμεῖς ποτὲ ἠπειθήσατε τῷ θεῷ
NAS: as you once were disobedient to God,
KJV: in times past have not believed God,
INT: you once were disobedient to God

Romans 11:31 V-AIA-3P
GRK: οὗτοι νῦν ἠπείθησαν τῷ ὑμετέρῳ
NAS: now have been disobedient, that because of the mercy
KJV: now not believed, that
INT: these now were disobedient the for your

Romans 15:31 V-PPA-GMP
GRK: ἀπὸ τῶν ἀπειθούντων ἐν τῇ
NAS: from those who are disobedient in Judea,
KJV: from them that do not believe in
INT: from those being unbelievers in

Hebrews 3:18 V-APA-DMP
GRK: μὴ τοῖς ἀπειθήσασιν
NAS: but to those who were disobedient?
KJV: rest, but to them that believed not?
INT: not to the [ones] having disobeyed

Hebrews 11:31 V-APA-DMP
GRK: συναπώλετο τοῖς ἀπειθήσασιν δεξαμένη τοὺς
NAS: with those who were disobedient, after she had welcomed
KJV: not with them that believed not, when she had received
INT: did perish with the [ones] having disobeyed having received the

1 Peter 2:8 V-PPA-NMP
GRK: τῷ λόγῳ ἀπειθοῦντες εἰς ὃ
NAS: for they stumble because they are disobedient to the word,
KJV: at the word, being disobedient: whereunto
INT: the word being disobedient to which

1 Peter 3:1 V-PIA-3P
GRK: εἴ τινες ἀπειθοῦσιν τῷ λόγῳ
NAS: any [of them] are disobedient to the word,
KJV: that, if any obey not the word, they
INT: if any are disobedient to the word

1 Peter 3:20 V-APA-DMP
GRK: ἀπειθήσασίν ποτε ὅτε
NAS: who once were disobedient, when
KJV: Which sometime were disobedient, when
INT: having disobeyed sometime when

1 Peter 4:17 V-PPA-GMP
GRK: τέλος τῶν ἀπειθούντων τῷ τοῦ
NAS: for those who do not obey the gospel
KJV: shall the end [be] of them that obey not the gospel
INT: outcome of those disobeying the of the

Strong's Greek 544
14 Occurrences


ἀπειθήσαντες — 1 Occ.
ἀπειθήσασιν — 3 Occ.
ἀπειθῶν — 1 Occ.
ἀπειθοῦντα — 1 Occ.
ἀπειθοῦντες — 1 Occ.
ἀπειθούντων — 2 Occ.
ἀπειθοῦσι — 1 Occ.
ἀπειθοῦσιν — 1 Occ.
ἠπείθησαν — 1 Occ.
ἠπειθήσατε — 1 Occ.
ἠπείθουν — 1 Occ.

543
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