Find Synonyms
disallowable Synonyms
Another word for disallowable
Choosing another word for disallowable that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
• adjective (Context 1)
Not permitted, acceptable, or valid, especially under official rules, laws, or accounting standards (such as an expense that cannot be deducted from taxable income).
Usage Example
"The auditor flagged several personal travel costs as impermissible business expenses on the company's tax return."
Strongest
impermissible
unallowable
inadmissible
Strong
non-deductible
unacceptable
invalid
prohibited
Opposites of disallowable
The opposite of disallowable shifts depending on context. Common opposites include:
allowable
permissible
admissible
acceptable
deductible
valid
legitimate
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Disallowable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/disallowable