nullifidian UK /ˌnʌ.lɪˈfɪd.i.ən/US /ˌnʌ.ləˈfɪd.i.ən/adjective 1noun 2forms 1 adjective1 •Having no faith or religion; atheist; also, doubtful or sceptical about faith or religion.I fear treachery to the host from this nullifidian Achan—Thou shalt not go with him. Thou art our chariots and our horsemen. — 1816 noun2 •Synonym of atheist (“a person who does not believe in deities or gods”).[I]n their eyes, a lukewarm Presbyterian was little better than a Prelatist, an Anti-covenanter, and a Nullifidian. — 1816 •(figurative, no longer used) Synonym of sceptic, skeptic (“a person who does not believe in or doubts something”).[…] Celia was no longer the eternal cherub, but a thorn in her spirit, a pink-and-white nullifidian, worse than any discouraging presence in the 'Pilgrim's Progress.' — 1871 formsnullifidians
