Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To state untruthfully; misrepresent.
  • intransitive verb To make false by altering or adding to.
  • intransitive verb To counterfeit; forge.
  • intransitive verb To declare or prove to be false.
  • intransitive verb To make untrue statements; lie.

from The Century Dictionary.

  • noun In fencing, a feint; a baffling thrust.
  • To make false or deceptive; cause to vary from truth or genuineness; change so as to deceive; sophisticate; adulterate; misrepresent: as, to falsify accounts, weights and measures, or commodities; to falsify a person's meaning.
  • To make a false representation of; counterfeit; forge.
  • To show to be erroneous or incorrect; disprove: as, the event falsified his words.
  • To violate; break by falsehood or treachery: as, to falsify one's faith or word.
  • To cause to fail or become false; baffle; make useless: as, to falsify a person's aim.
  • To feign, as a blow. Same as false, v. t., 5.
  • In law: To prove to be false, as a judgment; avoid or defeat.
  • In equity, to show to be erroneous, as an item claimed on the credit side of an account.
  • To tell falsehoods; lie; violate the truth.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To tell lies; to violate the truth.
  • transitive verb To make false; to represent falsely.
  • transitive verb To counterfeit; to forge.
  • transitive verb To prove to be false, or untrustworthy; to confute; to disprove; to nullify; to make to appear false.
  • transitive verb To violate; to break by falsehood.
  • transitive verb To baffle or escape.
  • transitive verb (Law) To avoid or defeat; to prove false, as a judgment.
  • transitive verb (Equity) To show, in accounting, (an inem of charge inserted in an account) to be wrong.
  • transitive verb To make false by multilation or addition; to tamper with.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To alter so as to be false; to make incorrect.
  • verb transitive To misrepresent.
  • verb transitive To prove to be false.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb prove false
  • verb falsify knowingly
  • verb insert words into texts, often falsifying it thereby
  • verb make false by mutilation or addition; as of a message or story
  • verb tamper, with the purpose of deception

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English falsifien, from Old French falsifier, from Late Latin falsificāre : Latin falsus, false; see false + Latin -ficāre, -fy.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From French falsifier, from Late Latin falsificāre, present active infinitive of falsificō ("make false, corrupt, counterfeit, falsify"), from Latin falsificus, from falsus ("false"), corresponding to false +‎ -ify.

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Examples

  • Also, as pointed out before, if we are able to find an object of sufficient mass within the Schwarzschild radius, which normally would continue to collapse into a gravitational singularity (Black Hole) but has not, that would disprove the theory of Black holes right there, or in other words falsify them.

    Conservapedia - Recent changes [en] 2009

  • Also, as pointed out before, if we are able to find an object of sufficient mass within the Schwarzschild radius, which normally would continue to collapse into a gravitational singularity (Black Hole) but has not, that would disprove the theory of Black holes right there, or in other words falsify them.

    Conservapedia - Recent changes [en] 2009

  • Also, as pointed out before, if we are able to find an object of sufficient mass within the Schwarzschild radius, which normally would continue to collapse into a gravitational singularity (Black Hole) but has not, that would disprove the theory of Black holes right there, or in other words falsify them.

    Conservapedia - Recent changes [en] BenO 2009

  • Also, as pointed out before, if we are able to find an object of sufficient mass within the Schwarzschild radius, which normally would continue to collapse into a gravitational singularity (Black Hole) but has not, that would disprove the theory of Black holes right there, or in other words falsify them.

    Conservapedia - Recent changes [en] 2009

  • Instead, he argues that the logic of scientific research is a critical method in which scientists do their best to "falsify" their hypotheses and theories.

    Revisiting Popper Daniel Little 2009

  • Instead, he argues that the logic of scientific research is a critical method in which scientists do their best to "falsify" their hypotheses and theories.

    Archive 2009-08-01 Daniel Little 2009

  • It looks like you have addressed T&G's main arguments (eg, about the 2nd law), but I wonder if it might be appropriate to put in a brief description of what it means to "falsify" something in the scientific sense -- ie, essentially what T&G must show (and failed to show) to make their case that there is no greenhouse effect:

    Rabett Run EliRabett 2009

  • I didn't use the word "falsify", I used the word "disconfirming" … they are not necessarily the same thing.

    Congratulations are in Order 2006

  • If these 'actions' please them, the investigating officers would then "falsify" their investigation results all the way up to make our unit look good.

    Chen's Speech on the Recall Michael Turton 2006

  • Which brings me to if we are able to find an object of sufficient mass within the Schwarzschild radius, which normally would continue to collapse into a gravitational singularity (Black Hole) but has not, that would disprove the theory of Black holes right there, or in other words falsify them. "

    Conservapedia - Recent changes [en] 2009

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