If you controvert something, you dispute it. If you argue for a new pony, your parents will controvert your argument by pointing out you said the same thing about the dog — the one they have to walk.

The verb controvert can mean to prove to be false or untrue. If you are a historian, you know that new evidence often controverts commonly-held beliefs, so history is constantly being revised and updated. Many children grew up learning that Christopher Columbus landed first in America, but now we have evidence to controvert that idea and other explorers such as Leif Eriksson beat Columbus to America.

Definitions of controvert
  1. verb
    prove to be false or incorrect
    synonyms: rebut, refute
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    type of:
    confute, disprove
    prove to be false
  2. verb
    be resistant to
    synonyms: contradict, oppose
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    show 7 types...
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    blackball, negative, veto
    vote against; refuse to endorse; refuse to assent
    dissent, protest, resist
    express opposition through action or words
    strike, walk out
    stop work in order to press demands
    defeat, kill, shoot down, vote down, vote out
    thwart the passage of
    demonstrate, march
    march in protest; take part in a demonstration
    arise, rebel, rise, rise up
    take part in a rebellion; renounce a former allegiance
    rebel, renegade
    break with established customs
    type of:
    confound, rebut, refute
    overthrow by argument, evidence, or proof
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