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con·firm

confirm

 
 
pronunciation:
kn fuhrm
features:
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part of speech: verb
inflections: confirms, confirming, confirmed
definition 1: to prove or show to be true.
She confirmed the story about the escaped tiger.
synonyms:
attest, prove, verify
similar words:
clinch, establish
definition 2: to make certain or definite; approve.
I called the airline to confirm my seat on the flight.The Senate confirmed the tax plan.
 
antonyms:
deny, revoke
similar words:
affirm, approve, authorize, prove, ratify
derivations: confirmable (adj.), confirmingly (adv.)
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Word Parts  About this feature
The word confirm contains the following parts:
con- Latin prefix that means with, together
Show wordsHide wordsMore about this word part:
The prefix con- is an assimilated form of com- used before roots beginning with c, d, f, g, j, n, s, t, and v. See com-. Note: con- is frequently an intensive prefix, as in "conceive ."
firm Latin root that means make firm; support
antonyms:
magn, magna, magni, maxi