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Definition of disallow
disallow
/ˌdɪsəˈlaʊ/
dis · al · low
Adjective:disallowable
•Past Simple:disallowed
•Past Participle:disallowed
•Present Participle:disallowing
disallow Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
3
disallow Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To refuse to declare valid or accept as legitimate (especially of a legal claim, deduction, or sports score).
Example
"The referee decided to disallow the goal after reviewing the video replay for an offside violation."
2
To officially forbid, prohibit, or refuse to permit an action or practice.
Example
"The updated tournament guidelines strictly disallow the use of unapproved electronic equipment during matches."
Synonyms
View all synonyms for disallow Antonyms
View all antonyms for disallow• Rhymes for disallow
• Nearby Words
Word Origin & Etymology
Borrowed in the late 14th century from Anglo-French desallouer and Old French desalouer, originally meaning 'to disapprove, reject, or refuse to praise,' before later becoming associated with the sense of refusing to permit.
Cite this Entry
Wordmom. (2026). Definition of Disallow. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/disallow