irreligious

As adjectives the difference between irreligious and agnostic

is that irreligious is contrary to religious beliefs and practices while agnostic is of or relating to agnosticism or its adherents.

As a noun agnostic is

a person who holds to a form of agnosticism, especially uncertainty of the existence of a deity.

As an adjective irreligious

is contrary to religious beliefs and practices.

As a noun atheism is

(narrowly) belief that no deities exist (sometimes including rejection of other religious beliefs).

As an adjective irreligious

is contrary to religious beliefs and practices.

As a noun atheist is

atheist.

Depraved is a related term of irreligious.

As adjectives the difference between depraved and irreligious

is that depraved is perverted or extremely wrong in a moral sense while irreligious is contrary to religious beliefs and practices.

As a verb depraved

is (deprave).

As adjectives the difference between irreligious and ungodly

is that irreligious is contrary to religious beliefs and practices while ungodly is lacking reverence for God; impious.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective irreligious is

contrary to religious beliefs and practices.

As an adjective irreligious

is contrary to religious beliefs and practices.

As a noun irreligionist is

one who is irreligious.

As adjectives the difference between irreligious and areligious

is that irreligious is contrary to religious beliefs and practices while areligious is not religious; irreligious.

As an adjective irreligious

is contrary to religious beliefs and practices.

As a verb dereligionize is

to render irreligious.