Source : Webster's Revised Unabridged Dictionary (1913)

Nullifidian \Nul`li*fid"i*an\, a. [L. nullus none + fide?
   faith.]
   Of no faith; also, not trusting to faith for salvation; --
   opposed to {solifidian}. --Feltham.

Nullifidian \Nul`li*fid"i*an\, n.
   An unbeliever. --B. Jonson.