authenticate
gb/ɔθˈɛntɪkˌeɪt/ us/ɔθˈɛntɪkˌeɪt/
C1
英語
語義
0件の語義
動詞
technical
C1
action
1
verify a user’s identity
To check that someone or something is really who or what they claim to be before giving access.
用法パターン：
authenticate [someone/something]; authenticate with [a service/system]; authenticate as [a user/role]
よくある間違い：
Do not confuse authenticate with authorize: authentication checks identity; authorization gives permission after identity is checked.
類義語
verify (More general; can refer to checking any fact, not only identity.)
|
identify (Often means to recognize who someone is, not necessarily to confirm it securely.)
|
validate (Often means to confirm that data, credentials, or a request is acceptable.)
対義語
reject (To refuse access or acceptance because identity or credentials are not confirmed.)
|
unauthenticate (Technical and uncommon; to remove authenticated status.)
コロケーション
authenticate a user
|authenticate a device
|authenticate your identity
|authenticate an account
|authenticate a login
|authenticate a request
|authenticate with a password
|authenticate using biometrics
|securely authenticate
|two-factor authenticate
テーマ
technology
|security
|internet
|computing
例文
- The app asks users to authenticate with a fingerprint before showing payment details.
- The server authenticates each device before allowing it onto the network.
- If the password is wrong, the system cannot authenticate the login request.
学習者向け例文
- You must authenticate your identity before you can open the account.
- The phone uses Face ID to authenticate the user.
動詞
formal
C1
action
2
prove something is genuine
To check and confirm that something is real, original, or valid.
用法パターン：
authenticate [something] as [genuine/real/valid]
よくある間違い：
Authenticate is often more formal than prove or check, and it usually implies expert, official, or reliable confirmation.
類義語
verify (More general; means to check that something is true or correct.)
|
certify (Suggests an official statement or document confirming validity.)
|
validate (Often means to confirm that something is acceptable, correct, or legally/electronically valid.)
|
confirm (Broader and less formal; means to say or show that something is true.)
対義語
falsify (To make something false or fake, or to show that a claim is false.)
|
disprove (To show that something is not true.)
|
repudiate (Formal; to reject the validity or truth of something.)
コロケーション
authenticate a document
|authenticate a signature
|authenticate a certificate
|authenticate a painting
|authenticate an artifact
|authenticate a claim
|authenticate evidence
|properly authenticate
|independently authenticate
|officially authenticate
テーマ
documents
|art
|law
|business
|verification
例文
- Experts were asked to authenticate the painting before the museum bought it.
- The bank needs to authenticate the signature on the form.
- The video could not be authenticated, so journalists treated it with caution.
学習者向け例文
- An expert authenticated the old coin.
- The office authenticated the copy of my birth certificate.
文法
辞書形
authenticate
IPA
GB/ɔθˈɛntɪkˌeɪt/
US/ɔθˈɛntɪkˌeɪt/
音節・強勢
au - then - tic - ate （4音節）
Stress on 2nd syllable (then)
活用形
Verb
- Base: authenticate
- 3rd Person Singular: authenticates
- Present Participle: authenticating
- Past: authenticated
表現
この項目には、まだ関連する表現がありません。