1. The reduction of body mass, typically measured in kilograms or pounds
She achieved significant weight loss through diet and exercise.
Ela alcançou uma perda de peso significativa através de dieta e exercício.
3. In medical contexts, an unintended decrease in body weight that may indicate illness
Unexplained weight loss can be a symptom of serious health conditions.
A perda de peso inexplicável pode ser um sintoma de condições graves de saúde.