Synonyms of inadmissible

2 Syllables

off-base, inapt, unapt, inept, unfit

3 Syllables

improper, mismatched, ill-timed, unfitting, unsuited, extraneous, unseemly, unwanted

4 Syllables

unbearable, dislikable, irrelevant, unqualified, unwelcome, unlikable, unsuitable, unbecoming, malapropos, out-of-place, out-of-season, unadapted, unbefitting, ill-favored, immaterial, incompetent, ungraciousness, uninvited, undesired, unwished-for

5 Syllables

unreasonable, undesirable, unwelcomeness, objectionable, insupportable, unendurable, inappropriate, inapposite, unallowable, incompatible, inconformable, unacceptable, unsupportable, unsufferable, exceptionable

6 Syllables

inhospitality, inhospitableness, unsatisfactory