- 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
SynonymsSee more synonyms for falsify on Thesaurus.com
Examples from the Web for falsifier
Instead, it is too often a treacherous spy, a maligner and falsifier.Mal Moule
Ella Wheeler Wilcox
And yet am I not a falsifier and a slanderer of the deepest dye?A Defence of Virginia
Robert L. Dabney
It is such a mark of truth as no falsifier has power to imitate.Companion to the Bible
E. P. Barrows
It is astonishing how fully Providence sometimes squares accounts with the falsifier.The Philippines Past and Present (Volume 2 of 2)
Dean Conant Worcester
The man who affirms that they are contented and happy, and do not desire to escape, is either a falsifier or a fool.The Citizen-Soldier
- to make (a report, evidence, accounts, etc) false or inaccurate by alteration, esp in order to deceive
- to prove false; disprove
Word Origin and History for falsifier
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.