- 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.
- to make false statements.
Origin of falsify
Synonyms for falsify
1, 3. See misrepresent. 4. rebut, discredit, refute, confute, controvert.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to make (a report, evidence, accounts, etc) false or inaccurate by alteration, esp in order to deceive
- to prove false; disprove
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
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