disallowable

Able to ban

Disallowable describes something that can be rejected, prohibited, or deemed impermissible.

The term appears most often in tax and accounting contexts, where certain expenses or deductions may be ruled disallowable by authorities: The auditor flagged several disallowable business expenses.

More broadly, it applies to anything subject to being disallowed under rules or regulations.

invalid

impermissible

Not permitted by rules

void · null · invalidated · untenable · unjustifiable · unsupported · baseless · groundless · improper · inappropriate

prohibited

forbidden

Not allowed

proscribed · interdicted · barred · vetoed · embargo · taboo · off-limits · blacklisted · censored · restricted

rejection

denied

Refused or disavowed

dismissed · rebuffed · vetoed · nixed · disapproved · objected · repudiated · spurned · nonacceptable · unallowable

Opposites
permissibility status

disallowableallowable

Sanctioned by authority

permissible · permitted · acceptable · admissible · allowed

Family

allow, allowance, allowable, disallow, disallowed, disallowance, disallowing, disallows, unallowed

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Used worldwide · Timeless · Abstract · Rated G