The Collaborative International Dictionary of English v.0.48:

Nullifidian \Nul`li*fid"i*an\, a. [L. nullus none + fides
   faith.]
   Of no faith; also, not trusting to faith for salvation; --
   opposed to solifidian. --Feltham.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Nullifidian \Nul`li*fid"i*an\, n.
   An unbeliever. --B. Jonson.
   [1913 Webster]