This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
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adj. Not believing; doubting.

adj. That does not believe; incredulous, skeptical

adj. Not believing; incredulous; doubting; distrusting; skeptical.

adj. 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.

Not believing; incredulous; skeptical; doubting.

Infidel; discrediting divine revelation, or the mission, character, and doctrines of Christ: as, “the unbelieving Jews,”

adj. holding that only material phenomena can be known and knowledge of spiritual matters or ultimate causes is impossible

adj. denying or questioning the tenets of especially a religion

adj. rejecting any belief in gods

"Cain, in unbelieving self-righteousness, presented merely a thank offering, not like Abel feeling his need of the propitiatory sacrifice appointed on account of sin."

agnostical    agnostic    incredulous    irreligious   

believing   

incredulous    doubting    distrusting    skeptical    disbelieving    infidel   

achieving    believing    conceiving    deceiving    disbelieving    grieving    heaving    interleaving    interweaving    leaving   

incredulous    uncomprehending    unsympathetic    wry    wide-eyed    idolatrous    dismissive    reproachful    supercilious    sceptical