Being furious is an intense emotion that can be expressed in a variety of ways. The crossword solutions for the term 'be furious' include RAGE (4 letters), FUME (4 letters), SEETHE (6 letters), BOIL (4 letters), seered (6 letters), and breathefire (11 letters). RAGE is an intense anger that can be expressed through shouting or physical violence. FUME is to express anger through words, often in a loud and aggressive manner. SEETHE is to be filled with intense anger, often boiling over. BOIL is to become extremely angry, often to the point of boiling over. Seered is to be burned by intense anger. Breathefire is to express intense anger in a powerful way.