Synonyms of unwarrantable

1 Syllable
bad, wrong
2 Syllables
undue, pricey, faulty, pricier
3 Syllables
overkill, outlawed, illegal
4 Syllables
undeserved, unwarranted, unprovoked, untenable, inexpiable, extralegal, unreasoned
5 Syllables
inexcusable, indefensible, unjustifiable, insupportable, unforgivable, criticizable, unpardonable, unpermissible