Of a sin, offence, etc.: not forgiven or pardoned; unexpiated, unatoned for. Of a debt, punishment, etc.: not cancelled or rescinded.

Of an activity, condition, process, etc.: continuous, constant, incessant.

Of a person: persistent or unrelenting (in a task or activity); = "unremitting".

Of a sum of money: not transferred from one place or person to another; specifically (of income earned abroad) not transferred to the worker's or company's home country.