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falsify

[ fawl-suh-fahy ]
/ ˈfɔl sə faɪ /
||
SEE MORE SYNONYMS FOR falsify ON THESAURUS.COM

verb (used with object), fal·si·fied, fal·si·fy·ing.

to make false or incorrect, especially so as to deceive: to falsify income-tax reports.
to alter fraudulently.
to represent falsely: He falsified the history of his family to conceal his humble origins.
to show or prove to be false; disprove: to falsify a theory.

verb (used without object), fal·si·fied, fal·si·fy·ing.

to make false statements.

RELATED WORDS

contravene, pervert, exaggerate, contradict, misstate, distort, deceive, fake, forge, counterfeit, traverse, color, twist, prevaricate, lie, doctor, equivocate, gloss, fib, change

Nearby words

falsework, falsie, falsies, falsifiable, falsification, falsify, falsity, falstaff, falstaffian, falster, faltboat

Origin of falsify

1400–50; late Middle English falsifien < Middle French falsifier < Late Latin falsificāre. See false, -ify
SYNONYMS FOR falsify
1, 3 See misrepresent.
4 rebut, discredit, refute, confute, controvert.
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for falsifies

British Dictionary definitions for falsifies

falsify

/ (ˈfɔːlsɪˌfaɪ) /

verb -fies, -fying or -fied (tr)

to make (a report, evidence, accounts, etc) false or inaccurate by alteration, esp in order to deceive
to prove false; disprove
Derived Formsfalsifiable, adjectivefalsification (ˌfɔːlsɪfɪˈkeɪʃən), nounfalsifier, noun

Word Origin for falsify

C15: from Old French falsifier, from Late Latin falsificāre, from Latin falsus false + facere to make
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for falsifies

falsify


v.

mid-15c., "to prove false," from Middle French falsifier (15c.), from Late Latin falsificare (see falsify). Meaning "to make false" is from c.1500. Earlier verb was simply falsen (c.1200). Related: Falsified; falsifying.

Online Etymology Dictionary, © 2010 Douglas Harper