deauthenticate

D2E1A1U1T1H4E1N1T1I1C3A1T1E1

verb

To reject as authentic; to falsify or disprove.

Scrabble 20

Meanings

verbdeauthenticate (third-person singular simple present deauthenticates, present participle deauthenticating, simple past and past participle deauthenticated)

present singular third person deauthenticates · participle present deauthenticating · participle past deauthenticated · past deauthenticated

  1. transitiveTo reject as authentic; to falsify or disprove.

    In the hand of what person soever it be alleged by the witness to be, a case may happen in which it may be material (though at the expense of a distinct enquiry) to authenticate or deauthenticate it by ulterior evidence.

    1827, Jeremy Bentham, Rationale of Judicial Evidence
  2. transitivecomputingTo revoke the authentication of; to cause no longer to be authenticated.

Origin

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Medieval Latinauthenticō
  8. Englishauthenticate
  9. Englishdeauthenticate

From de- + authenticate.

Full word history & related roots →
Cite this entry
APA

deauthenticate. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/deauthenticate

MLA

“deauthenticate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deauthenticate. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “deauthenticate,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/deauthenticate.

Source: deauthenticate on Wiktionary, CC BY-SA 4.0.