Antonyms of adj unornamented

1 sense of unornamented

Sense 1
plain, bare, spare, unembellished, unornamented -- (lacking embellishment or ornamentation; "a plain hair style"; "unembellished white walls"; "functional architecture featuring stark unornamented concrete")

INDIRECT (VIA unadorned) -> adorned, decorated -- (provided with something intended to increase its beauty or distinction)

Similarity of adj unornamented

1 sense of unornamented

Sense 1
plain, bare, spare, unembellished, unornamented -- (lacking embellishment or ornamentation; "a plain hair style"; "unembellished white walls"; "functional architecture featuring stark unornamented concrete")
       => unadorned (vs. adorned), undecorated -- (not decorated with something to increase its beauty or distinction)