an unbeliever.

One who does not believe; spec. one who does not accept a particular religious belief, an infidel.

A disbeliever in religion or divine revelation generally; especially one in a Christian land who professedly rejects or denies the divine origin…

A person having no faith or religion, an atheist; a sceptic in matters of religion.

One who denies or disbelieves the existence of a God.

spec. One who doubts, without absolutely denying, the truth of the Christian religion or important parts of it; often loosely, an unbeliever in…

One who disbelieves or refuses belief; an unbeliever.

A person who does not believe in something, esp. one with no religious faith; (occasionally) spec. a person who does not accept a particular…

One who scorns, derides, mocks or contemns; esp. one who scoffs at religion.

One who scoffs. Const. at; also (now rarely) of. Often spec., one who scoffs at religion or morality.

A person who has no (clear) religious belief or political affiliation.

A nihilist. Cf. nothingism, n. 2.

Forming derivative nouns denoting a person who is opposed to the thing indicated by the parent noun, as no-poperist: a person opposed to Roman…

A person having a nihilistic outlook; spec. one professing metaphysical or ontological nihilism.

An atheist.

A person who is not a theist.

A person who believes that nothing is known or can be known of immaterial things, especially of the existence or nature of God. Distinguished from at…

An agnostic. Obsolete. rare.

A person living in a nominally Christian society who has turned away from the Christian faith or has been brought up without reference to it.

(see quot. 1959).

An atheist.