impermissible

[ im-per-mis-uh-buh l ]
/ ˌɪm pərˈmɪs ə bəl /

adjective

not permissible or allowable; unallowable.

Origin of impermissible

First recorded in 1855–60; im-2 + permissible

OTHER WORDS FROM impermissible

im·per·mis·si·bil·i·ty, noun

Example sentences from the Web for impermissible

British Dictionary definitions for impermissible

impermissible
/ (ˌɪmpəˈmɪsɪbəl) /

adjective

not permissible; not allowed

Derived forms of impermissible

impermissibility, noun impermissibly, adverb