Whimwham is a word that means something trivial, silly or fanciful. If you are looking for synonyms for it, there are a few options that you can choose from. For instance, you might use the word trifle, which refers to something that is small or insignificant. Alternatively, you might use the word bauble, which means a small or decorative object that is usually of little practical value. Another option is trifling, which means something that is of little importance. Other possible synonyms for whimwham include bagatelle, frippery, knickknack, and baubles. These words all convey a sense of frivolity or insignificance, and are perfect for describing things that are not particularly important.