Found 2 items, similar to impermissible.
English → English (WordNet) Definition: impermissible impermissible adj 1: not permitted; “impermissible behavior” [ant: permissible] 2: not allowable
English → English (gcide) Definition: Impermissible Impermissible \Im`per*mis"si*ble\, a. Not permissible. [1913 Webster]