Antonyms of adj permissible

2 senses of permissible

Sense 1
permissible (vs. impermissible), allowable -- (that may be permitted especially as according to rule; "permissible behavior in school"; "a permissible tax deduction")

impermissible (vs. permissible) -- (not permitted; "impermissible behavior")
        => forbidden, out (predicate), prohibited, proscribed, taboo, tabu, verboten -- (excluded from use or mention; "forbidden fruit"; "in our house dancing and playing cards were out"; "a taboo subject")
        => unmentionable -- (unsuitable or forbidden as a topic of conversation; "unmentionable words")
        => untouchable -- (forbidden to the touch; "in most museums such articles are untouchable")

Sense 2
permissible -- (that may be accepted or conceded; "a kind of speculation that was permissible in cosmology but inadmissible in medicine")

INDIRECT (VIA admissible) -> inadmissible -- (not deserving to be admitted; "inadmissible evidence")

Similarity of adj permissible

2 senses of permissible

Sense 1
permissible (vs. impermissible), allowable -- (that may be permitted especially as according to rule; "permissible behavior in school"; "a permissible tax deduction")
          Also See-> tolerable#1

Sense 2
permissible -- (that may be accepted or conceded; "a kind of speculation that was permissible in cosmology but inadmissible in medicine")
       => admissible (vs. inadmissible) -- (deserving to be admitted; "admissible evidence")

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