Antonyms of adj allowable

3 senses of allowable

Sense 1
allowable -- (deductible according to the tax laws)

INDIRECT (VIA deductible) -> nondeductible -- (not allowable as a deduction)

Sense 2
permissible (vs. impermissible), allowable -- (that may be permitted especially as according to rule; "permissible behavior in school"; "a permissible tax deduction")


Sense 3
allowable -- (deserving to be allowed or considered)

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

Similarity of adj allowable

3 senses of allowable

Sense 1
allowable -- (deductible according to the tax laws)
       => deductible (vs. nondeductible) -- (acceptable as a deduction (especially as a tax deduction))

Sense 2
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 3
allowable -- (deserving to be allowed or considered)
       => admissible (vs. inadmissible) -- (deserving to be admitted; "admissible evidence")