The Collaborative International Dictionary of English v.0.48:

Nonresistant \Non`re*sist"ant\, a.
   Making no resistance.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Nonresistant \Non`re*sist"ant\, n.
   1. One who maintains that no resistance should be made to
      constituted authority, even when unjustly or oppressively
      exercised; one who advocates or practices absolute
      submission.
      [1913 Webster]

   2. One who holds that violence should never be resisted by
      force; especially, a reformer who believes in passive
      resistance.

   Syn: passive resister.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

nonresistant
    adj 1: (often followed by `to') likely to be affected with;
           "liable to diabetes" [syn: liable(p), nonimmune,
           nonresistant, unresistant]
    2: offering no resistance