What is another word for not shiny?
Pronunciation: [nˌɒt ʃˈa͡ɪni] (IPA) 
There are numerous synonyms for the phrase "not shiny," depending on context and desired connotation. For instance, dull, drab, lackluster, and faded are all synonyms that describe an object or surface that is losing or has lost its shine. Similarly, matte or flat can describe surfaces that do not reflect light in the same way as shiny surfaces. Additional synonyms for "not shiny" may include muted, tarnished, weathered, or repressed. Each term paints a slightly different picture, so selecting the appropriate synonym will depend on the message the writer wishes to convey.
