Synonyms of inexcusable

Adjective

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

usage: without excuse or justification

2. inexcusable, unforgivable, unpardonable (vs. pardonable)

usage: not excusable

Definition and meaning of inexcusable (Dictionary)