Difference between Irreligious and Unbelieving

IRRELIGIOUS vs UNBELIEVING: ADJECTIVE

Destitute of religion; not controlled by religious motives or principles; ungodly. Cf. Impious.
Indicating a lack of religion; profane; wicked.
Contrary to religious beliefs and practices.
Describing a conscious rejection of religion.
Having no relation to religion; non-religious.
Hostile or indifferent to religion

Rejecting any belief in gods
Denying or questioning the tenets of especially a religion
Not believing; doubting.
Not believing; incredulous; doubting; distrusting; skeptical.
Believing that the thing alleged is not true; disbelieving; especially, believing that the Bible is not a divine revelation, or that Christ was not a divine or a supernatural person.
That does not believe; incredulous, skeptical
Holding that only material phenomena can be known and knowledge of spiritual matters or ultimate causes is impossible

Not religious; without religious principles; contemning religion; impious; ungodly.
Profane; wicked: as, irreligious conduct.
Synonyms Irreligious, Godless, Ungodly, Unrighteous, Impious, Profane, Atheistic, are words expressing the position or conduct of those who deny the existence of a God or refuse to obey his commandments. Irreligious means destitute of religion as a principle, contemning religion and not checked by its restraints; godless, acknowledging no God, disregarding God and therefore his commandments, sinful, wicked; ungodly, essentially the same as godless, but stronger as to both feeling and action; unrighteous, disregarding right, contrary to right and by implication (right being with this word viewed chiefly as the personal will of God) not only wrong or unjust, but sinful; impious, irreverent or contemptuous toward God, defiant or wanton in irreligion; profane, impious by word or deed, irreverent or blasphemous; atheistic, holding the doctrine of the non-existence of a God (applied, on account, of the natural tendency of men to deny the existence of a God where their spirit or manner of life is condemned by the teachings of the Christian religion, to whatever would be thus condemned or whoever thus denies). See atheous, 2.

Infidel; discrediting divine revelation, or the mission, character, and doctrines of Christ: as, “the unbelieving Jews,”
Not believing; incredulous; skeptical; doubting.

Unchristian, Religionist, Godless, Unreligious, Heathenish, Nonchurchgoing, Atheistical, Lapsed, Ungodly, Unbelieving, Nonobservant, Heathen, Pagan, Impious, Atheistic

Unchristian, Religionist, Godless, Unreligious, Nonchurchgoing, Heathenish, Atheistical, Lapsed, Ungodly, Unbelieving, Nonobservant, Heathen, Pagan, Impious, Atheistic

Your husband is not an idle loafer or engaged in an irreligious occupation.
Its religious aspect was Methodistic, and its irreligious side rather coarse.
For right or wrong, irreligious people celebrate Christmas and have successfully cleaved Christ from the celebrations.
The remaining population is either irreligious or belongs to other religious groups.
Religiousness as predictor of confidence in religious and irreligious institutions.
Many of us live among the unchurched, uncivilized and irreligious.
In America, even irreligious Jews still embrace this initiation rite.
Why should the irreligious be expected to do more?
Would a devotional time benefit an irreligious person?
None but an irreligious man would think that.

Tongues were primarily for a sign to unbelieving Jews.
An unbelieving Strange dismisses it as stress-related hallucination.
These are the ones with evil and unbelieving hearts.
Hast thou been called, having an unbelieving wife?
Well, what if my unbelieving partner wants out?
First, both decrees are issued in unbelieving kingdoms.
Christians who are abandoned by an unbelieving spouse.
Does your unbelieving friend or neighbor fear death?
For the unbelieving husband is made holy because of his wife, and the unbelieving wife is made holy because of her husband.
This is good, because it prevents Christian women being betrothed to unbelieving men by unbelieving fathers.