unbeliever

As an adjective impious

is not pious.

As a noun unbeliever is

one who does not believe, particularly in a deity (used by believers to describe other people).

As a noun unbeliever

is one who does not believe, particularly in a deity (used by believers to describe other people).

As an adjective undefined is

lacking a definition or value.

Unbeliever is a related term of sceptic.

As nouns the difference between unbeliever and sceptic

is that unbeliever is one who does not believe, particularly in a deity (used by believers to describe other people) while sceptic is someone who is undecided as to what is true and enquires after facts.

As nouns the difference between skeptic and unbeliever

is that skeptic is someone who habitually doubts beliefs and claims presented as accepted by others, requiring strong evidence before accepting any belief or claim while unbeliever is one who does not believe, particularly in a deity (used by believers to describe other people.

As a proper noun pagan

is or pagan can be (dated) the city of bagan, myanmar.

As an adjective pagan

is pertaining to the city or kingdom of pagan.

As a noun unbeliever is

one who does not believe, particularly in a deity (used by believers to describe other people).

As nouns the difference between incidence and unbeliever

is that incidence is the act of something happening; occurrence while unbeliever is one who does not believe, particularly in a deity (used by believers to describe other people).

As nouns the difference between unbeliever and heretic

is that unbeliever is one who does not believe, particularly in a deity (used by believers to describe other people while heretic is someone who, in the opinion of others, believes contrary to the fundamental tenets of a religion he claims to belong to.

As an adjective heretic is

heretical; of or pertaining to heresy or heretics.

As an adjective unjust

is not fair, just or right.

As a noun unbeliever is

one who does not believe, particularly in a deity (used by believers to describe other people).

As nouns the difference between unbeliever and heathen

is that unbeliever is one who does not believe, particularly in a deity (used by believers to describe other people) while heathen is an adherent of the germanic neo-pagan faith of heathenry.

As an adjective heathen is

pertaining or adhering to the germanic neo-pagan faith heathenry.

Unbeliever is a related term of doubter.

As nouns the difference between unbeliever and doubter

is that unbeliever is one who does not believe, particularly in a deity (used by believers to describe other people) while doubter is one who doubts.