Definition of confirm
1 : to give approval to : ratify <confirm a treaty>
2 : to make firm or firmer : strengthen <confirm one's resolve>
3 : to administer the rite of confirmation to
4 : to give new assurance of the validity of : remove doubt about by authoritative act or indisputable fact <confirm a rumor> <confirm an order>
confirmabilityplay \-ˌfər-mə-ˈbi-lə-tē\ noun
confirmableplay \-ˈfər-mə-bəl\ adjective
Examples of confirm in a sentence
The tests confirmed the doctors' suspicions of cancer.
The attack confirmed her worst fears about the neighborhood.
The award confirmed her status as one of the great movie actresses.
The dentist's office called to confirm your appointment for tomorrow.
We have a reservation for you for tomorrow night. Please call to confirm.
Origin and Etymology of confirm
Middle English, from Anglo-French cunfermer, from Latin confirmare, from com- + firmare to make firm, from firmus firm
First Known Use: 13th century
Synonym Discussion of confirm
CONFIRM Defined for English Language Learners
Definition of confirm for English Language Learners
: to state or show that (something) is true or correct
: to tell someone that something has definitely happened or is going to happen : to make (something) definite or official
: to make (something) stronger or more certain : to cause (someone) to believe (something) more strongly
CONFIRM Defined for Kids
Definition of confirm for Students
1 : to make sure of the truth of <Their arrest confirms my suspicion.>
2 : to make firm or firmer (as in a habit, in faith, or in intention) : strengthen <The job at the shelter confirmed her intention to become a veterinarian.>
4 : to perform a ceremony admitting a person into a church or synagogue
Legal Definition of confirm
1a : to make valid by necessary formal approval <the debtor's chapter 13 plan confirmed by the court> b : to vote approval of <confirm a nomination>
2 : to give formal acknowledgment of receipt of
3 : to remove doubt about by authoritative act or indisputable fact <a consent decree confirming Capt. Brown's right to his cargo — W. G. Young>
Seen and Heard
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