austere

austere is a   Noun

Definition:

[1] Sour and astringent; rough to the state; having acerbity; as, an austere crab apple; austere wine.

[2] Severe in modes of judging, or living, or acting; rigid; rigorous; stern; as, an austere man, look, life. From whom the austere Etrurian virtue rose. Dryden.

[3] Unadorned; unembellished; severely simple.

Synonyms: