MEANING
1. To check that a person, device, or account has the identity it claims.
2. To establish that an object, document, or claim is genuine.
Use it for
Words that belong together
- authenticate a user
- authenticate a device
On the page
The door authenticated her implant before unlocking.
The server refused to authenticate the unfamiliar device.
Related words
Word forms
- Base
- authenticate
- Past tense
- authenticated
- Past participle
- authenticated
- Present participle
- authenticating
Full tense & aspect guide
- Present
- authenticate
- Present continuous
- am/is/are authenticating
- Present perfect
- have/has authenticated
- Present perfect continuous
- have/has been authenticating
- Past
- authenticated
- Past continuous
- was/were authenticating
- Past perfect
- had authenticated
- Past perfect continuous
- had been authenticating
- Future
- will authenticate
- Future continuous
- will be authenticating
- Future perfect
- will have authenticated
- Future perfect continuous
- will have been authenticating
Choose the auxiliary that agrees with your subject. These are constructions of one word, not separate entries.
Explore related collections
Usage notes
Primary category: sci-fi. Forms: authenticate; authenticates; authenticated; authenticated; authenticating Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Third-person singular: authenticates.
Practice this word in a sentenceYour margin notes
Keep a thought for later. Sign in to save privately.