This is the 6643rd most frequent Portuguese word.
fitness
Physical well-being and the condition of being fit and healthy.
Here 'fitness' refers to the general idea of physical activity and well-being.
O conceito de fitness está ligado a frequentar academias regularmente.
The concept of fitness is linked to regularly attending gyms.
In this context, 'fitness' describes a type of physical exercise class.
Comprei uma roupa nova para a aula de fitness.
I bought new clothes for the fitness class.
'Fitness' here denotes the person's physical fitness or condition.