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v. fal·si·fied, fal·si·fy·ing, fal·si·fies
1. To state untruthfully; misrepresent.
a. To make false by altering or adding to: falsify testimony.
b. To counterfeit; forge: falsify a visa.
3. To declare or prove to be false.
To make untrue statements; lie.

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

fal′si·fi·ca′tion (-fĭ-kā′shən) n.
fal′si·fi′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.falsification - any evidence that helps to establish the falsity of something
evidence, grounds - your basis for belief or disbelief; knowledge on which to base belief; "the evidence that smoking causes lung cancer is very compelling"
reductio, reductio ad absurdum - (reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction
confutation - evidence that refutes conclusively
counterexample - refutation by example
2.falsification - a willful perversion of factsfalsification - a willful perversion of facts  
actus reus, wrongful conduct, misconduct, wrongdoing - activity that transgresses moral or civil law; "he denied any wrongdoing"
overrefinement, twisting, straining, torture, distortion - the act of distorting something so it seems to mean something it was not intended to mean
tergiversation, equivocation - falsification by means of vague or ambiguous language
lying, prevarication, fabrication - the deliberate act of deviating from the truth
dissimulation, deception, dissembling, deceit - the act of deceiving
3.falsification - the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting
knavery, dishonesty - lack of honesty; acts of lying or cheating or stealing
frame-up, setup - an act that incriminates someone on a false charge
sophistication - falsification by the use of sophistry; misleading by means of specious fallacies; "he practiced the art of sophistication upon reason"
forgery - criminal falsification by making or altering an instrument with intent to defraud
4.falsification - the act of determining that something is false
determination, finding - the act of determining the properties of something, usually by research or calculation; "the determination of molecular structures"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


noun misrepresentation, distortion, tampering with, forgery, deceit, perversion, adulteration, dissimulation recent concern about the falsification of evidence in court
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
تَزْييف، تَحْريف


[ˌfɔːlsɪfɪˈkeɪʃən] Nfalsificación f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


[ˌfɔːlsɪfɪˈkeɪʃən] n [records, documents, information, data] → falsification f; [accounts] → falsification f, maquillage m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


(Ver)fälschung f
(= disproving)Widerlegung f, → Falsifikation f (spec)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˌfɔːlsɪfɪˈkeɪʃn] nfalsificazione f
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


(foːls) adjective
1. not true; not correct. He made a false statement to the police.
2. not genuine; intended to deceive. She has a false passport.
3. artificial. false teeth.
4. not loyal. false friends.
ˈfalsehood noun
(the telling of) a lie. She is incapable of (uttering a) falsehood.
ˈfalsify (-fӕi) verb
to make false. He falsified the accounts.
ˌfalsifiˈcation (-fi-) noun
ˈfalsity noun
false alarm
a warning of something which in fact does not happen.
false start
in a race, a start which is declared not valid and therefore has to be repeated.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.


n. falsificación, distorsión o alteración de un suceso u objeto.
English-Spanish Medical Dictionary © Farlex 2012
References in classic literature ?
It was a mere falsification of the law of aerial perspective, but it startled, almost terrified me.
Yet there was no conflagration, no fuss, no searching of the passengers, no whisper of what had happened in the air; instead of a stir there was portentous peace; and it was clear to me that Raffles was not a little disturbed at the falsification of all his predictions.
I am not prepared, like Professor Watson, to reject it wholly, but I do consider that it is exceedingly fallible and quite peculiarly liable to falsification in accordance with preconceived theory.
I found that my services were constantly called into requisition for the falsification of business, and the mystification of an individual whom I will designate as Mr.
Ampatuan was arraigned yesterday before the anti-graft court's first division for four counts each of graft and malversation of public funds through falsification of public documents.
The dismissal of the case based on the lack of jurisdiction of the Regional Trial Court to hear and decide the case bolsters our position that the crime charged (estafa through falsification of a public document) is not a grave felony,' Ilagan said in a statement.
Auto Business News-July 24, 2019--Ford to face lawsuit over alleged falsification of pickup fuel-efficiency tests
M2 EQUITYBITES-July 24, 2019--Ford to face lawsuit over alleged falsification of pickup fuel-efficiency tests
The Immigration Department has busted an immigration stamp falsification syndicate in Kuala Lumpur with the arrest of five people.
3019 or the Anti-Graft and Corrupt Practices Act, Article 217 of the Revised Penal Code or Malversation of Public Funds, and Article 171 paragraph 2 of the Revised Penal Code, also known as Falsification of Public Funds.
Summary: New Delhi [India], May 22 (ANI): An Air India pilot has complained to the Chief Vigilance Officer (CVO) in the Directorate General of Civil Aviation (DGCA) over the alleged falsification of documents belonging to him by the Deputy Chief Flight Operation Inspector (CFOI).