Definition of nullifidian in English:

nullifidian

noun

rare
  • A person having no faith or religious belief.

    dissident, dissenter, nonconformist, unorthodox thinker, heterodox thinker, apostate, freethinker, iconoclast, schismatic, renegade
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adjective

rare
  • Having no faith or religious belief.

    atheistic, unbelieving, non-believing, non-theistic, agnostic, sceptical, heretical, faithless, godless, ungodly, unholy, impious, profane, infidel, barbarian, barbarous, heathen, heathenish, idolatrous, pagan
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Origin

Mid 16th century: from medieval Latin nullifidius (from nullus no, none + fides faith) + -an.

Pronunciation:

nullifidian

/ˌnʌlɪˈfɪdɪən/