Sniggered is a word usually used to describe someone who is making a rude or disrespectful laugh. However, there are other synonyms that can be used in place of sniggered. For instance, sneered is one synonym. It is used to describe a situation where individuals mock something or someone with a sarcastic sneer. Chuckled is another synonym that can be used in place of sniggered. The term is used to describe a more lighthearted laugh that is meant to be a friendly expression. Giggled is another replacement for sniggered. It is a word usually used to describe a shared moment of laughter between friends.