Meaning of the word inexcusably in English

What does inexcusably mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

inexcusably

US /ˌɪn.ɪkˈskjuː.zə.bli/
UK /ˌɪn.ɪkˈskjuː.zə.bli/

Adverb

in a way that is too bad to be excused or justified

Example:
His behavior was inexcusably rude.
She arrived inexcusably late for the important meeting.