(Obs.) Dishonest or unfaithful
Contrary to conscience, morality, or law:
Lacking grounds or defense; unjustifiable:
Not restrained by conscience; unscrupulous:
Not justifiable; inexcusable:
Impossible to excuse, pardon, or justify
Find another word for unjustifiable. In this page you can discover 21 synonyms, antonyms, idiomatic expressions, and related words for unjustifiable, like: indefensible, inexcusable, untenable, unallowable, unforgivable, unjust, wrong, insupportable, unconscionable, undue and unwarrantable.