Intense anger is an emotion that can be expressed in many ways. The crossword solutions for this term are RAGE (4 letters), IRE (3 letters), WRATH (5 letters), and FURY (4 letters). RAGE is a strong, often uncontrollable anger, while IRE is a less intense form of anger. WRATH is a deep-seated anger that is often accompanied by a desire for revenge, and FURY is a violent, intense anger. All of these words describe a powerful emotion that can be difficult to control.