What are the opposite words for fatness?

The word "fatness" is a noun used to describe the state of being overweight or containing excessive body fat. There are several antonyms for this word that represent the opposite meaning, including thinness, slenderness, leanness, and skinniness. These antonyms refer to a state of having a low body fat percentage or lacking excess weight. Additionally, fitness and healthiness could also be considered antonyms of fatness since they describe a state of being physically fit, active, and free of excess weight. A healthy lifestyle including regular exercise and a balanced diet can help achieve these antonyms and promote overall well-being.

Antonym of the day

most knee-slapper
boring, common, dramatic.