disallow

verb

dis·​al·​low ˌdis-ə-ˈlau̇ How to pronounce disallow (audio)
disallowed; disallowing; disallows

transitive verb

1
: to deny the force, truth, or validity of
2
: to refuse to allow
disallowance noun

Examples of disallow in a Sentence

The touchdown was disallowed because of a penalty. disallowing the philosophical concept of free will
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.
After that case, several consumer DNA websites changed their terms of service to disallow law enforcement from accessing data, or to allow its users to opt out of law enforcement activity, according to genetic genealogist Leah Larkin, who testified in the hearing last month. Jeanine Santucci, USA TODAY, 25 Feb. 2025 Also disallowed was the university’s internal investigation, which was conducted by the athletics integrity officer at the time, Robert A. Boland, in collaboration with the university’s general counsel. Billy Witz, New York Times, 16 Feb. 2025 In response to Trump's order, the NCAA changed its policy, in place since 2010, to disallow transgender athletes from competing against women, requiring them to compete based on their birth gender. Ryan Morik, Fox News, 12 Feb. 2025 Baker’s statement suggests that policy will change to disallow transgender athletes. Michael McCann, Sportico.com, 6 Feb. 2025 See All Example Sentences for disallow

Word History

First Known Use

15th century, in the meaning defined at sense 1

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

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Cite this Entry

“Disallow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disallow. Accessed 4 Mar. 2025.

Kids Definition

disallow

verb
dis·​al·​low ˌdis-ə-ˈlau̇ How to pronounce disallow (audio)
: to refuse to admit or allow : reject
disallow a claim
disallowance noun

Legal Definition

disallow

transitive verb
dis·​al·​low ˌdi-sə-ˈlau̇ How to pronounce disallow (audio)
1
: to deny the truth, force, or validity of
disallowed the deduction
disallow a bankruptcy claim
2
: to refuse to allow
disallow payment of benefits
disallowance noun

More from Merriam-Webster on disallow

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