Acute Necrotizing Encephalitis (ANE) is a rare, severe brain disorder that can cause inflammation and tissue death. However, there are several antonyms for this medical condition, which describe a state of good health or absence of a disease. The antonyms for ANE are well-being, vitality, health, robustness, and soundness. These terms imply that an individual or organism is free of any illness, injury, or impairment, and that their body and mind are functioning optimally. Unlike ANE, which can have serious and potentially fatal consequences, the antonyms suggest a state of normality and flourishing, reflecting the importance of maintaining good health and taking care of our bodies and minds.