Synonyms of the word

decorative

• adj. That serves to decorate.
• n. A plant, tile, etc. intended for use as decoration.

cosmetic

• adj. Imparting or improving beauty, particularly the beauty of the complexion.
• adj. External or superficial; pertaining only to the surface or appearance of something.
• n. Any substances applied to enhance the external color or texture of the skin, e.g. lipstick, eyeshadow,…
• n. A feature existing only on the surface.

nonfunctional

• adj. Not functional; useless; broken.

ornamental

• adj. Serving to ornament; characterized by ornament; beautifying; embellishing.
• n. An ornamental plant.