Word.ws English Dictionary

Past tense of authenticate

regular verb

The past tense of authenticate is authenticated. The past participle is also authenticated.

Forms of authenticate

Base form (V1)authenticate /ɒˈθɛn.tɪ.keɪt/
Past tense (V2)authenticated
Past participle (V3)authenticated
Present participleauthenticating
Third person singularauthenticates

Authenticated in a sentence

  • REBOL's unique dialecting capability enables information to flow automatically over managed, encrypted, and authenticated connections.2007, Jessica Keyes, X Internet: The Executable and Extendable Internet, page 133. From the entry dialecting
  • I do not mean merely that I have not found an authenticated case.1953, Patrick Pringle, “On the Account”, in Jolly Roger: The Story of the Great Age of Piracy, Mineola, N.Y.: Dover Publications…. From the entry walk the plank
  • A notable collection would contain a number of cigarette boxes, authenticated, from either a variety of workmasters or from the hands of one particular workmaster.2012, Anna M. Miller, Illustrated Guide to Jewelry Appraising: Antique, Period, and Modern, →ISBN. From the entry workmaster
  • In Rome it appears to be a standing rule that every authenticated guide shall be a violent Socialist and therefore rampingly anticlerical in all his views.1914, Irvin S. Cobb, Europe Revised. From the entry rampingly

Meaning of authenticate

  1. verb To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
  2. verb To prove authentic; to determine as real and true.
  3. adjective Synonym of authentic.

Full definition of authenticate

Questions about the past tense of authenticate

What is the past tense of authenticate?
The past tense of authenticate is authenticated.
What is the past participle of authenticate?
The past participle of authenticate is authenticated.
Is authenticate a regular or irregular verb?
Authenticate is a regular verb: its past tense adds -d.

Source and license

Adapted from Wiktionary: authenticate (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Past tense of authenticate.” Word.ws, https://word.ws/past-tense/authenticate. Based on Wiktionary, CC BY-SA 4.0.