| Impermissible (a.) Not allowable; as, impermissible behavior or excuses. Thesaurus Entries against the law, anarchic, anarchistic, anomic, applicable, authorized, black-market, bootleg, causidical, chargeable, competent, constitutional, contraband, contrary to law, criminal, felonious, flawed, illegal, illegitimate, illicit, impermissible, irregular, judicial, juridical, just, justiciable, kosher, lawful, lawless, lawmaking, legal, legislative, legit, legitimate, licit, litigable, litigant, litigatory, litigious, nonconstitutional, nonlegal, nonlicit, outlaw, outlawed, punishable, rightful, sanctioned, statutory, triable, unallowed, unauthorized, unconstitutional, under-the-counter, under-the-table, unlawful, unofficial, unstatutory, unwarrantable, unwarranted, valid, within the law, wrongful |