falsify

verb

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

transitive verb

1
: to prove or declare false : disprove
falsify a theory
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
falsify a promise

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.
However, a hospital staff member reported that, in February, 2025, Adams asked the staff member to falsify about 25 documents claiming to have supervised medical procedures dating back months. Beth Warren, Nashville Tennessean, 3 Mar. 2026 Others confront technology’s emerging presence in rental properties, from artificial intelligence falsifying property image listings to portable solar energy powering up apartments. Amancai Biraben, Oc Register, 27 Feb. 2026 The mission said intelligence agencies routinely persecuted political adversaries, falsifying evidence to justify arrests and in some cases resorting to torture, enforced disappearances and extrajudicial killings. Antonio María Delgado, Miami Herald, 25 Feb. 2026 Republican proposals Republicans have a slate of proposals aimed at fighting fraud, including creating criminal penalties for state employees who falsify paperwork during audits. Alex Derosier, Twin Cities, 25 Feb. 2026 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 5 Mar. 2026.

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

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