fal·si·fy | \ ˈfȯl-sə-ˌfī \
falsified; falsifying

Definition of falsify 

transitive verb

1 : to prove or declare false : disprove

2 : to make false: such as

a : to make false by mutilation or addition the accounts were falsified to conceal a theft

b : to represent falsely : misrepresent

3 : to prove unsound by experience

intransitive verb

: to tell lies : lie

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Other words from falsify

falsifiability \ˌfȯl-sə-ˌfī-ə-ˈbi-lə-tē \ noun
falsifiable \ˌfȯl-sə-ˈfī-ə-bəl \ adjective
falsification \ˌfȯl-sə-fə-ˈkā-shən \ noun
falsifier \ˈfȯl-sə-ˌfī(-ə)r \ noun

Examples of falsify in a Sentence

He was caught falsifying financial accounts. taking that statement completely out of context essentially falsifies it, whether that's your intention or not

Recent Examples on the Web

Two former state employees are facing charges that include racketeering and fraud for allegedly falsifying records and issuing drivers’ licenses to people in Broward County who never took the driving tests, according to court documents. Wayne K. Roustan, Sun-Sentinel.com, "Two issued driver's licenses to people who didn't take test, court documents say," 13 June 2018 The scrutiny intensified Friday when the state’s attorney general directed the state consumer-protection agency to look into whether marketing practices at Temple broke the law, and if the university’s other schools falsified student data. Kelsey Gee, WSJ, "Temple University Fires a Dean Over Falsified M.B.A. Rankings Data," 13 July 2018 Another time, the complaint says, an employee in the unit took records from Universal Concrete and falsified them at home. Faiz Siddiqui, Washington Post, "Virginia, U.S. sue company behind defective Metro Silver Line concrete," 9 July 2018 The auto giant admitted Monday that its plants in Japan had been falsifying exhaust emissions and fuel efficiency test data. David Meyer, Fortune, "Nissan Shares Tank as It Admits That Some of Its Factories Faked Emissions and Fuel Efficiency Test Data," 9 July 2018 Federal authorities uncovered several robberies the officers committed using the authority of the badge, which were covered up by officers falsifying paperwork and lying in court. Justin Fenton, baltimoresun.com, "Two men wrongfully imprisoned after fatal crash sue Baltimore Police; will seek $40 million in damages," 13 June 2018 There is legitimate concern these days about the spread of falsified and manipulated imagery. An Xiao Mina, The Atlantic, "That Merkel Photo Is More Like a Meme Than a Renaissance Painting," 11 June 2018 According to state statutes, falsifying nomination papers is a felony. Max Bayer, Milwaukee Journal Sentinel, "Andy Gronik, Matt Flynn likely to appear first on Democratic primary ballot for governor," 11 June 2018 They will be interviewed by many border patrol agents who will often threaten them, confuse them, and perhaps even falsify their answers in order to prevent them from continuing in the process. Luis Mancheno, CBS News, "Analysis: How the asylum process works, and how it needs to change," 8 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'falsify.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of falsify

15th century, in the meaning defined at transitive sense 1

History and Etymology for falsify

Middle English falsifien, from Middle French falsifier, from Medieval Latin falsificare, from Latin falsus

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Dictionary Entries near falsify

falsi crimen







Statistics for falsify

Last Updated

18 Sep 2018

Look-up Popularity

Time Traveler for falsify

The first known use of falsify was in the 15th century

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More Definitions for falsify



English Language Learners Definition of falsify

: to make (something) false : to change (something) in order to make people believe something that is not true


fal·si·fy | \ ˈfȯl-sə-ˌfī \
falsified; falsifying

Kids Definition of falsify

: to change in order to deceive They were caught falsifying their records.


transitive verb
fal·si·fy | \ ˈfȯl-si-ˌfī \
falsified; falsifying

Legal Definition of falsify 

: to make false: as

a : to make (as a document) false by mutilation, alteration, or addition the motel clerk had falsified the records —M. A. Kelly

b : to report (as information) falsely the informant falsified his testimony

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More from Merriam-Webster on falsify

Thesaurus: All synonyms and antonyms for falsify

Spanish Central: Translation of falsify

Nglish: Translation of falsify for Spanish Speakers

Britannica English: Translation of falsify for Arabic Speakers

Comments on falsify

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to make amends

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