English Reference
verb · adverb

confirm

v. · adv.
US /kənˈfɝm/ UK /kənfˈɜːm/ con·firm UK spelling confirms

  1. 01 B1 Intermediate General-service

    v.to say or show that something is definitely true or correct.

    v.to establish the truth or correctness of something previously believed, suspected, or stated.

    Simple

    The police were able to confirm that the man was telling the truth.

    In context

    The latest laboratory results confirm the researchers' initial hypothesis regarding the chemical stability of the new compound.

    Usage

    Often followed by a 'that' clause or a noun phrase.

  2. 02 B1 Intermediate General-service

    v.to make an arrangement or a meeting final.

    v.to make a provisional arrangement, appointment, or agreement definite and final.

    Simple

    I am calling to confirm my hotel reservation for next Tuesday.

    In context

    The board of directors met yesterday to confirm the appointment of the new chief executive officer.

    Usage

    Commonly used in business contexts regarding bookings and appointments.

    cancelannul
  3. 03 B2 Upper Intermediate Formal Religion

    v.to welcome someone as a full member of a Christian church in a special ceremony.

    v.to administer the rite of confirmation to a person, admitting them to full church privileges.

    Simple

    She was confirmed in the local cathedral when she was fourteen years old.

    In context

    The bishop visited the parish last Sunday to confirm twenty young members of the congregation.

    Usage

    Usually used in the passive voice when referring to the person receiving the rite.

  4. 04 C1 Advanced DialectInformalSlang

    adv.used to say that something is definitely going to happen or is true.

    adv.used as a sentence-final or standalone particle to indicate absolute certainty.

    Simple

    Don't worry, he will come for the party confirm.

    In context

    If you don't study for the final exam, you will fail confirm.

    Usage

    Typical of Singlish and Manglish; often placed at the end of a sentence.

    Teacher's tip

    This adverbial use is specific to South East Asian English dialects like Singlish; it is not used this way in standard British or American English.

Usage confirm the accuracy · analysis confirm · confirm existence


From Middle English confirmen, confermen, from Old French confermer, from Latin cōnfirmāre (“to make firm, strengthen, establish”), from con- (“together”) + firmāre (“to make firm”), from firmus (“firm”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin confirmo
Level B1 · Intermediate
Frequency Common
Updated