- The definition of confirm is to approve or to establish the truth or make stronger.
- An example of confirm is to sign an alliance agreement.
- An example of confirm is to call a friend and make sure that tonight's plans are definite.
- An example of confirm is to pledge devotion to a faith.
- to make firm; strengthen; establish; encourage
- to make valid by formal approval; ratify
- to prove the truth, validity, or authenticity of; verify
- to cause to undergo the religious ceremony of confirmation
Origin of confirmMiddle English confermen ; from Old French confermer ; from Classical Latin confirmare ; from com-, intensive + firmare, to strengthen ; from firmus, firm
transitive verbcon·firmed, con·firm·ing, con·firms
- a. To support or establish the certainty or validity of; verify: confirm a rumor.b. To reaffirm the establishment of (a reservation or advance arrangement).
- To make firmer; strengthen: Working on the campaign confirmed her intention to go into politics.
- To make valid or binding by a formal or legal act; ratify.
- To administer the religious rite of confirmation to.
Origin of confirmMiddle English confirmen, from Old French confermer, from Latin cōnfirmāre : com-, intensive pref.; see com– + firmāre, to strengthen (from firmus, strong; see dher- in Indo-European roots).
(third-person singular simple present confirms, present participle confirming, simple past and past participle confirmed)