Atheist

"Atheist" in Japanese

無信仰者

mushinkōsha

(a person who doubts the existence of deities — see also agnostic)

無神論者

mushinronsha

(a person who believes with certainty that no deities exist)

無神論者

mushinronsha

(a person who doubts the existence of deities — see also agnostic)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.