authenticate

Word parts

authentic + -ate

Pronunciation

• (US) IPA ^(key): /ɔ.ˈθɛn.tɪ.keɪt/

• Audio (UK)

  (file)

Verb

Plain form authenticate

Third-person singular authenticates

Past tense authenticated

Past participle authenticated

Present participle authenticating

1. (transitive) If you authenticate something, you prove or show that it is genuine, or valid.

   He didn't manage to authenticate the portrait, it's probably a fake.

Related words

• authentic
• authentication