confirm
Americanverb (used with object)
-
to establish the truth, accuracy, validity, or genuineness of; corroborate; verify.
This report confirms my suspicions.
- Synonyms:
- validate, authenticate, substantiate, prove
- Antonyms:
- disprove
-
to acknowledge with definite assurance.
Did the hotel confirm our room reservation?
-
to make valid or binding by some formal or legal act; sanction; ratify.
to confirm a treaty;
to confirm her appointment to the Supreme Court.
- Antonyms:
- invalidate
-
to make firm or more firm; add strength to; settle or establish firmly.
Their support confirmed my determination to run for mayor.
- Synonyms:
- fix
- Antonyms:
- shake
-
to strengthen (a person) in habit, resolution, opinion, etc..
The accident confirmed him in his fear of driving.
-
to administer the religious rite of confirmation to.
verb
-
(may take a clause as object) to prove to be true or valid; corroborate; verify
-
(may take a clause as object) to assert for a second or further time, so as to make more definite
he confirmed that he would appear in court
-
to strengthen or make more firm
his story confirmed my doubts
-
to make valid by a formal act or agreement; ratify
-
to administer the rite of confirmation to
Other Word Forms
- confirmability noun
- confirmable adjective
- confirmatory adjective
- confirmer noun
- confirmingly adverb
- nonconfirming adjective
- preconfirm verb (used with object)
- reconfirm verb (used with object)
- unconfirm verb (used with object)
- unconfirmability noun
Etymology
Origin of confirm
First recorded in 1250–1300; from Latin confirmāre “to strengthen, confirm” ( con-, firm 1 ); replacing Middle English confermen, from Old French, from Latin, as above
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Iran’s state-controlled television channel confirmed his death the next morning, and broadcast videos throughout the day of mourners in major cities such as Tehran and Isfahan.
Police have not confirmed whether more than one shooter was involved or any connection between the suspect and the victims.
From Salon
On Sunday morning, Iranian state television formally confirmed Khamenei's death, before swiftly announcing the formation of a temporary council of three men to assume executive authority.
From BBC
When the killing was confirmed by Iranian state television on Sunday, the Kremlin published a message with condolences that Putin had sent to Iranian counterpart Masoud Pezeshkian.
From Barron's
Iran on Sunday confirmed the death of Supreme Leader Ayatollah Ali Khamenei in a strike the day before.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
