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Definition of impermissible

impermissible

/ˌɪmpɚˈmɪsəbəl/
im · per · mis · si · ble
Adverb:impermissibly
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impermissible Lexical Profile

impermissible Game Scores & Validity

• adjective

1

Not permitted or allowed, especially under formal laws, official regulations, or ethical standards.

Example

"The judge ruled that the prosecutor's remarks constituted an impermissible reference to the defendant's prior record."

Synonyms
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Antonyms
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• Rhymes for impermissible

• Nearby Words

impermanently
impermeable
impermeably
impermissible
impersonal
impersonally
impersonate

Word Origin & Etymology

Formed in the early 19th century by combining the negative prefix im- with permissible, which derives from the Late Latin permissibilis, from the verb permittere ('to let through, allow').

Cite this Entry

Wordmom. (2026). Definition of Impermissible. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/impermissible
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