austere

Adjective

• practicing great self-denial
  • Be systematically ascetic...do...something for no other reason than that you would rather not do it- William James
    
  • a desert nomad's austere life
    
  • a spartan diet
    
  • a spartan existence
    

• of a stern or strict bearing or demeanor; forbidding in aspect
  • an austere expression
    
  • a stern face
    

• severely simple
  • a stark interior
    

Related words

• Synonyms: 
  ascetic , ascetical , spartan , stern , severe , stark