falsify

verb

fal·​si·​fy ˈfȯl-sə-ˌfī How to pronounce falsify (audio)
falsified; falsifying

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
falsifiable adjective
falsification noun
falsifier 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Trump was found guilty of 34 counts of falsifying business records in May 2024, a historic development for a former president who would win the election months later. Kinsey Crowley, USA Today, 25 July 2025 Prior to the plea agreement, the doctor faced several more charges, including seven total counts of distribution of ketamine and two counts of altering and falsifying documents or records related to the federal investigation into Perry's death. Charlotte Phillipp, People.com, 24 July 2025 However, he was dishonorably discharged from the U.S. Army after being found guilty of falsifying documents related to his residence and military record. Antonio Maria Delgado, Miami Herald, 23 July 2025 Plasencia had previously pleaded not guilty and was scheduled to stand trial in August but agreed last month to a plea deal that includes the dismissal of three additional distribution charges and two counts of falsifying records. Gabe Whisnant, MSNBC Newsweek, 23 July 2025 See All Example Sentences for falsify

Word History

Etymology

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

First Known Use

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

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

Browse Nearby Words

Cite this Entry

“Falsify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/falsify. Accessed 29 Jul. 2025.

Kids Definition

falsify

verb
fal·​si·​fy ˈfȯl-sə-ˌfī How to pronounce falsify (audio)
falsified; falsifying
: to make false : change so as to deceive
falsify financial accounts
falsification noun
falsifier noun

Legal Definition

falsify

transitive verb
fal·​si·​fy ˈfȯl-si-ˌfī How to pronounce falsify (audio)
falsified; falsifying
: to make false: as
a
: to make (as a document) false by mutilation, alteration, or addition
the motel clerk had falsified the recordsM. A. Kelly
b
: to report (as information) falsely
the informant falsified his testimony

More from Merriam-Webster on falsify

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!