Nullifidian

//ˌnʌl.əˈfɪd.i.ən// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A sceptic; an atheist or unbeliever. archaic

    "Near-synonyms: infidel, apostate, heretic (either coordinate or synonymous depending on the beliefs of the speaker or writer)"

Adjective
  1. 1
    Of no faith or religion; not trusting to faith for salvation.

    "Near-synonyms: atheistic, agnostic"

Synonyms

All synonyms
agnosticapostateatheistatheisticdisbelievingfaithless

Example

More examples

"Near-synonyms: infidel, apostate, heretic (either coordinate or synonymous depending on the beliefs of the speaker or writer)"

Etymology

From Latin nūllus (“not any”) + fidēs (“faith”) + -ian.

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