unbeliever
2 synonyms and 1 antonym for unbeliever, grouped by meaning and by how common each one is.
Noun — Someone who does not believe in a particular god or religion.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
Etymology
Formed from un- and believer, perhaps a corruption of the earlier wanbeliever ("unbeliever").
Full origin of unbeliever →