There are many synonyms for the phrase "fire breathing dragon," which is a fantastical creature often depicted in mythology and folklore. Some possible synonyms include "flame-spewing serpent", "blazing wyrm", "smoke-belching lizard", "inferno-dwelling leviathan", and "scorching beast". Other options might include "blazing drake", "roaring serpent", "burning behemoth", "fiery chimera", or "emberscales' terror". Each of these phrases conjures up a vivid image of a fearsome creature, capable of wielding immense power and destruction. Whether you prefer to call it a dragon or a wyrm, there's no denying the timeless appeal and fascination of this mythical beast.