Impious is a related term of unsanctified.
As adjectives the difference between impious and unsanctified
is that impious is not pious while unsanctified is not having been sanctified not made sacred remaining mundane or worldly.
impious
English
Adjective
(
en adjective)
not pious
lacking reverence or respect, especially towards a god
unsanctified
English
Adjective
(-)
Not having been sanctified. Not made sacred. Remaining mundane or worldly.