What do you mean by weightlessness?

Explanation

### Step-by-Step Solution:

1. **Definition of Weightlessness**:
Weightlessness refers to the condition in which an object or a person does not feel any weight. This sensation occurs when the gravitational force acting on the body is not felt.

2. **Loss of Sensation**:
In a state of weightlessness, individuals experience a complete loss of the sensation of weight. This means they do not feel the gravitational pull that normally keeps them grounded.

...