Phrase guide

two-factor authentication

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

An identity and access management security method in which users provide two different authentication factors to verify themselves: first the user's password and then a (randomly generated and frequently changing) code generated by an app.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Qualifier: computer security

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: 2FA

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

17 source translations are retained for this English entry.

  • Arabic: مُصَادَقَة ثُنَائِيَّة — security method
  • Chinese Mandarin: 雙重驗證 /双重验证 — security method
  • Chinese Mandarin: 雙重認證 /双重认证 (shuāngchóng rènzhèng) — security method
  • Chinese Mandarin: 雙重身份認證 /双重身份认证 — security method
  • Chinese Mandarin: 雙因素身份驗證 /双因素身份验证 — security method
  • Chinese Mandarin: 雙因素驗證 /双因素验证 — security method
  • French: double authentification — security method
  • French: A2F — security method
  • German: Zwei-Faktor-Authentisierung — security method
  • German: 2FA — security method
  • Icelandic: tveggja þátta auðkenning — security method
  • Irish: fíordheimhniú dhá fhachtóir — security method
  • Spanish: verificación en dos pasos — security method
  • Spanish: autenticación de dos factores — security method
  • Swedish: tvåfaktorsautentisering — security method
  • Turkish: iki aşamalı doğrulama — security method
  • Turkish: iki adımlı doğrulama — security method