Brow ague, also known as a fever, is a common symptom of various illnesses that often includes an elevated body temperature and a feeling of discomfort. However, there are several synonyms that can be used to describe this condition. One alternative term is "pyrexia", which refers to an abnormally high body temperature. Another synonym is "malarkey", which is a colloquial term for a fake or exaggerated fever. Additionally, "febrility" and "feverishness" can be used to describe the presence of a fever. While these words may describe the same condition, each synonym brings its unique flair to express the state of having a fever.