1. The state of having no apparent weight; the condition of being free from the effects of gravity
Astronauts experience weightlessness in orbit.
Os astronautas experimentam ausência de peso em órbita.
2. A feeling of lightness or freedom from burden, literal or figurative
She felt a sense of weightlessness after completing the difficult project.
Ela sentiu uma sensação de leveza após completar o projeto difícil.
3. The quality or state of being light in weight or insubstantial
The weightlessness of the fabric made it perfect for summer clothing.
A leveza do tecido o tornou perfeito para roupas de verão.