Big Huge Thesaurus

inexcusably

adverb

• unpardonably
• unforgivably
• unjustifiably

antonyms

• excusably
• forgivably
• justifiably
• pardonably

sounds kind of like

• immiscible
• inaccessible
• incapable
• incisively
• inescapable
• inescapably
• inexcusable
• inexpiable