Iniquitous is a related term of irreligious.
As adjectives the difference between iniquitous and irreligious
is that iniquitous is wicked or sinful while irreligious is contrary to religious beliefs and practices.
iniquitous
English
Adjective
(
en adjective)
wicked or sinful
morally objectionable
Synonyms
* (wicked :) flagitious
* (wicked :) nefarious
* (morally objectionable :) perverse
Antonyms
* (wicked :) righteous
* (morally objectionable :) righteous
irreligious
English
Adjective
(
en adjective)
Contrary to religious beliefs and practices.
Describing a conscious rejection of religion.
Having no relation to religion; nonreligious.
Related terms
* irreligiously
* religious