ଅର୍ଥ : In an unpardonable manner or to an unpardonable degree.
ଉଦାହରଣ :
He was inexcusably cruel to his wife.
ସମକକ୍ଷ : unforgivably, unpardonably
In an excusable manner or to an excusable degree.
He was excusably late.Inexcusably meaning in Telugu.