Acute lupus is a term mostly used in medical settings to describe the sudden onset of symptoms associated with lupus. However, in the English language, there are several antonyms or opposite words that describe the opposite of acute. These include chronic, gradual, mild, and insidious, to name a few. These antonyms are relevant when discussing symptoms associated with lupus that appear slowly over time, are mild or not severe, and do not show sudden or dramatic changes. Therefore, when discussing lupus, it is important to note that while acute symptoms can be managed, chronic forms of lupus require long-term care and management.