adjective satellite (s)

• severely simple(adj.all)

  Synonym:
  severe, stark, stern
  

  source: wordnet30
• of a stern or strict bearing or demeanor; forbidding in aspect(adj.all)

  Example:
  An austere expression.
  

  Synonym:
  stern
  

  source: wordnet30
• practicing great self-denial(adj.all)

  Example:
  A desert nomad's austere life.
  

  Synonym:
  ascetic, ascetical, spartan
  

  source: wordnet30