The phrase "gave sheen" typically means to add shine or luster to something. Its antonyms would therefore be words that connote dullness or lack of shine. Some possible words that can serve as antonyms in this context include dim, drab, tarnished, dull, opaque, and lackluster. These words are commonly used to describe objects or surfaces that do not reflect light very well or have lost their luster over time. By contrast, words that evoke brightness, radiance, or brilliance, such as shiny, glistening, sparkling, and radiant, serve as synonyms for "gave sheen".