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.
The audit came as the federal government was investigating job placement rates at several other for-profit colleges and issuing severe penalties to those who falsified their numbers. Gene Maddaus, Variety, 9 Oct. 2025 His quest for revenge plays with well with his political supporters, who believe he was wrongly targeted by the Biden administration and other Democrats, resulting in his 2024 conviction by a New York jury on 34 felony counts of falsifying business records. Michael Collins, USA Today, 8 Oct. 2025 The next detective retired a few years later while under investigation for discrimination, harrassment and falsifying information during a homicide investigation. Keith Sharon, Nashville Tennessean, 7 Oct. 2025 Additionally, the bill would create a $500 penalty for individuals who falsify a prescription and health care providers who write a prescription without the animal having at least a 30-day relationship with the patient. Anna Kleiber, jsonline.com, 3 Oct. 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 17 Oct. 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

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