Adjective

• 1. lacking stylistic embellishment;

  "a literal description"

  "wrote good but plain prose"

  "a plain unadorned account of the coronation"

  "a forthright unembellished style"

• 2. lacking embellishment or ornamentation;

  "a plain hair style"

  "unembellished white walls"

  "functional architecture featuring stark unornamented concrete"