Viperine is a word that often pops up in poetry, literature, and scientific studies related to snakes and their venom. However, some people might find it difficult to use the term in their writing or conversation. That's why it's helpful to know some synonyms for viperine. Some of the most common synonyms for viperine include venomous, poisonous, serpentine, and snaky. Other synonyms that can be used for this term are reptilian, cobra-like, serpent-like, and snake-like. It's important to note that using synonyms can help add variety to your writing and make it more engaging for readers.