Antonym of excusable

Antonyms of adj excusable

2 senses of excusable

Sense 1:

excusable (vs. inexcusable)

inexcusable (vs. excusable)
indefensible, insupportable, unjustifiable, unwarrantable, unwarranted

Sense 2:

excusable, forgivable, venial

INDIRECT (VIA pardonable) -> unpardonable