FVR is an acronym that stands for "Fever." There are various synonyms for the word fever, and they are significant when communicating medical conditions and symptoms. Some common synonyms for FVR include high temperature, pyrexia, febricity, and hyperthermia. Other synonyms include feverishness, sweating, shivering, and malaise. Each of these synonyms carries a slightly different connotation and can help medical professionals or individuals describe their symptoms more accurately. Knowing these synonyms can be handy when communicating medical information to healthcare providers and can help them make an accurate diagnosis or recommend appropriate treatment options.