austere

adjective

  1. 1

    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

  2. 2

    of a stern or strict bearing or demeanor; forbidding in aspect

    an austere expression

    a stern face

  3. 3

    severely simple

    a stark interior

Synonyms

Also useful for “austere”:Unscrambler