Meaning : In an unpardonable manner or to an unpardonable degree.
Example :
He was inexcusably cruel to his wife.
Synonyms : inexcusably, unpardonably
In an excusable manner or to an excusable degree.
He was excusably late.Unforgivably ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Unforgivably ka matlab kya hota hai?