1. people who do not believe in something, especially a religion or particular claim
Usage: plural form of disbeliever

Examples

• The preacher tried to convert the disbelievers in the audience.
• Many disbelievers questioned the scientist’s controversial theory.
• The ancient text warned of punishment for disbelievers.
• She found herself surrounded by disbelievers who mocked her faith.
• The evidence was so compelling that even the disbelievers were convinced.
• Religious disbelievers often face persecution in some countries.