verb
authenticate
o-THEHN-tih-kayt
Authenticate (verb) means to prove that something is genuine or real. Example: “Experts were called in to authenticate the painting before the auction.”
verb
1
To prove that something is genuine or real.
"The server could not authenticate the request."
"Experts were called in to authenticate the painting before the auction."
"He didn’t manage to authenticate the portrait: it’s probably a fake."
2
To confirm a person's identity, especially before granting access to something.
"The app authenticates users with a fingerprint scan."
How to use authenticate
Learner’s notesIn plain EnglishTo prove something is genuine, or to verify someone's identity.
Common pairings
authenticate a document
authenticate a user
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Word forms
- Third person singular
- authenticates
- Past tense
- authenticated
- Comparative
- more authenticate
- Superlative
- most authenticate
Fill the gap
Can you complete this real example?
Experts were called in to _____ the painting before the auction.
Etymology
From authentic plus the verb-forming suffix -ate.
Synonyms
View more →
authentify
Antonyms
Related words
Rhymes for authenticate
See all rhymes for authenticate →Frequently asked questions
What does “authenticate” mean?
The word “authenticate” means to prove that something is genuine or real. In plain terms, to prove something is genuine, or to verify someone's identity.
How do you pronounce “authenticate”?
“Authenticate” is pronounced o-THEHN-tih-kayt (/ɔˈθɛn.tɪ.keɪt/ in IPA).
How do you use “authenticate” in a sentence?
Here is “authenticate” used in a sentence: “Experts were called in to authenticate the painting before the auction.”
What is another word for “authenticate”?
Words with a similar meaning to “authenticate” include authentify.
What part of speech is “authenticate”?
“Authenticate” is a verb.
How many meanings does “authenticate” have?
“Authenticate” has 2 distinct senses listed in this dictionary. The most common is: to prove that something is genuine or real.
