The word "begild" means to cover something with a thin layer of gold or golden color. Some antonyms for the word "begild" could include strip, remove, or tarnish. These words all refer to the opposite action of covering something with gold. To strip something means to remove a covering or layer, while to remove means to take something away entirely. Tarnishing refers to the process of dulling or discoloring a metal, which is the opposite of adding a bright, golden color. Other antonyms for "begild" might include words like darken, dull, or fade, which all describe actions that result in a loss of luster or brightness.