adjective satellite (s)

• not meant or adapted for a particular purpose(adj.all)

  Example:
  A solvent unsuitable for use on wood surfaces.
  

  source: wordnet30
• not capable of being applied(adj.all)

  Synonym:
  inapplicable
  

  source: wordnet30
• not conducive to good moral development(adj.all)

  Example:
  The movie is unsuitable for children.
  

  source: wordnet30
• not worthy of being chosen (especially as a spouse)(adj.all)

  Synonym:
  undesirable
  

  source: wordnet30