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

Definition of disallow

transitive verb

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

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Other Words from disallow

disallowance \ ˌdis-​ə-​ˈlau̇-​ən(t)s How to pronounce disallowance (audio) \ 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

Among this chip's many security features is one that disallows booting from external drives by default. Andrew Cunningham, Ars Technica, "How to make your own bootable macOS 10.14 Mojave USB install drive," 24 Sep. 2018 The exception was high-income taxpayers who paid the alternative minimum tax, which disallows state tax deductions. Richard Rubin, WSJ, "Treasury Moves to Block New Yorkers’ Path Around Cap on State Tax Deductions," 23 Aug. 2018 Among the breaks that get disallowed are some internal company payments across borders. Richard Rubin, WSJ, "New Treasury Rules Extend Tax Relief to Foreign Banks," 13 Dec. 2018 An example of this was during Manchester United's FA Cup game with Brighton, where a goal was disallowed after a VAR consultation. SI.com, "Premier League Clubs to Make Decision on Controversial VAR in April," 26 Mar. 2018 In the potential title decider between PAOK and AEK Athens, a late goal was disallowed, leading to the uproar involving Savvidis and his foray onto the field in anger. Washington Post, "Despite suspension, Greece struggling to tame soccer bosses," 13 Mar. 2018 Fortunately for Bird, Vergne had to start from the back of the grid, both Techeetahs having had their qualifying times disallowed for using too much energy. Jonathan M. Gitlin, Ars Technica, "Formula E ends its season—and an era—in Brooklyn," 18 July 2018 Ivan Savvidis stormed the field as PAOK was playing AEK Athens in Thessaloniki, in northern Greece, after a referee disallowed a goal from Fernando Varela, a central defender for PAOK. Iliana Magra, New York Times, "After Team Owner Charges Field Carrying a Gun, Greek Soccer League Suspends All Matches," 12 Mar. 2018 Abstractism shows a relatively clear case of the kind of troll-like and malicious content that Valve will disallow, as the company's quick action here shows. Kyle Orland, Ars Technica, "Valve removes Steam game after allegations of hidden cryptocurrency miner [Updated]," 31 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disallow.' 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 disallow

15th century, in the meaning defined at sense 1

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Statistics for disallow

Last Updated

23 Apr 2019

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Time Traveler for disallow

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

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English Language Learners Definition of disallow

: to refuse to allow (something) : to officially decide that (something) is not acceptable or valid


transitive verb
dis·​al·​low | \ ˌdi-sə-ˈlau̇ How to pronounce disallow (audio) \

Legal Definition of disallow

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

Other Words from disallow

disallowance noun

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More from Merriam-Webster on disallow

Rhyming Dictionary: Words that rhyme with disallow

Thesaurus: All synonyms and antonyms for disallow

Spanish Central: Translation of disallow

Nglish: Translation of disallow for Spanish Speakers

Comments on disallow

What made you want to look up disallow? Please tell us where you read or heard it (including the quote, if possible).


something valued as if it were money

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