Synonyms of the word

unbelieving

• adj. That does not believe; incredulous, skeptical.

agnostic

• adj. Of or relating to agnosticism or its adherents.
• adj. Doubtful or uncertain about the existence or demonstrability of God or other deity.
• adj. (computing) A software component (or other entity) that is unaware or noncommittal regarding the specific…
• adj. (usually with a prepositional phrase) Having no firmly held opinions on an issue or matter of uncertainty.
• n. A person who holds to a form of agnosticism, especially uncertainty of the existence of a deity.

atheistic

• adj. of or relating to atheists or atheism.

atheistical

• adj. Of or relating to atheism; atheistic.

disbelieving

• v. present participle of disbelieve.
• adj. refusing to believe; skeptical or incredulous.

incredulous

• adj. Skeptical, disbelieving, or unable to believe.
• adj. Expressing or indicative of incredulity.
• adj. (largely obsolete, now only nonstandard) Difficult to believe; incredible.

irreligious

• adj. Contrary to religious beliefs and practices.
• adj. Describing a conscious rejection of religion.
• adj. Having no relation to religion; nonreligious.

nescient

• n. an ignorant person.
• n. an unbeliever holding that only material phenomena can be known and knowledge of spiritual matters (the…
• adj. ignorant, unlearned.
• adj. unbelieving.

sceptical

• adj. British spelling standard spelling of skeptical.

skeptical

• adj. Having, or expressing doubt; questioning.
• adj. Of or relating to philosophical skepticism or the skeptics.