Affirm Definition

affirmed, affirming, affirms
affirmed, affirming, affirms
To declare positively; assert to be true.
A philosopher affirming the existence of free will; a document affirming that each student has completed the course.
American Heritage
To say positively; declare firmly; assert to be true.
Webster's New World
To declare solemnly, but not under oath; make affirmation.
Webster's New World
To declare support for or belief in.
Affirm the right to self-determination.
American Heritage
To make valid; confirm; uphold; ratify (a law, decision, or judgment)
Webster's New World

Origin of Affirm

  • From Middle English, from Old French afermer, affermer, from Latin affirmare, adfirmare (“to present as fixed, aver, affirm”), from ad (“to”) + firmare (“to make firm”), from firmus (“firm”).

    From Wiktionary

  • Middle English affermen from Old French afermer from Latin affirmāre ad- ad- firmāre to strengthen (from firmus strong dher- in Indo-European roots)

    From American Heritage Dictionary of the English Language, 5th Edition


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