White heat is a term that refers to a state of extreme intensity, often used to describe someone's emotion, excitement, or passion. Some synonyms for white heat include fever pitch, boiling point, intense fervor, passionate fury, and burning passion. These words evoke the idea of a powerful and all-consuming force that can drive someone to the brink of extreme emotions. Other related expressions include red-hot and blazing inferno, which are used to describe something that's intensely hot or passionate. In essence, these words serve to paint a picture of the height of emotion and energy, as if the individual is completely consumed by their passion.