Synonyms of unworthy in English:

undeserving, not worthy, not good enough for, ineligible for, unqualified for, unfit for

unbecoming, unsuitable, inappropriate, unbefitting, unfitting, unseemly, improper, incongruous

inconsistent, incompatible, out of keeping, out of character, out of place

degrading, discreditable, shameful, dishonourable, despicable, ignoble, contemptible, reprehensible, inexcusable, unforgivable