Silly is a word that describes something that is foolish or lackluster. It's a word that is commonly used to refer to something that is humorous or immature. However, if you're looking for synonyms to the word silly, there are plenty of options available. You can replace silly with amusing, comical, frivolous, childlike, nonsensical, fun-loving, wacky, or even zany. All of these synonyms are excellent replacements for the word silly as they capture the same sense of light-heartedness and humor while adding variety to your writing or speech. So, the next time you need to describe something that's ridiculous, try using one of these synonyms instead of silly.