- 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)
From Middle English, from Old French confermer, from Latin confirmāre (“to make firm, strenghten, establish”), from com- (“together”) with firmare (“to make firm”), from firmus (“firm”).