Not believed; disbelieved

One who does not believe, particularly in a deity (used by believers to describe people who do not believe in the same deity or deities as themselves).

plural of unbeliever

(transitive, intransitive) To lose, abandon, or relinquish belief in; stop believing.

Third-person singular simple present indicative form of unbelieve

(literally) Not to be believed. / (figuratively) Amazing, incredible; so surprising it is almost unable to believe. / Implausible or improbable.

(manner) In a manner that one does not or cannot believe. / (degree) To an extent not to be believed. / (evaluative) Contrary to expectations, amazingly.

That does not believe; incredulous, skeptical.

The state or quality of being unbelievable.

The state or quality of not being believable.