The Collaborative International Dictionary of English v.0.48:

Insalutary \In*sal"u*ta*ry\, a. [L. insaluteris : cf. F.
   insalutaire. See In- not, and Salutary.]
   1. Not salutary or wholesome; unfavorable to health.
      [1913 Webster]

   2. Not tending to safety; productive of evil.
      [1913 Webster]