Use 'float around' to describe something moving lightly through air or liquid.

Physical Movement

'Float around' implies movement with no control or guidance, often at the mercy of wind or currents.

Lack of Control

In a non-literal sense, 'float around' means ideas or stories are spreading without clear origin.

'Float around' often refers to rumors or news that might not be confirmed or reliable.

'Float around' can describe someone spending time idly, without a goal or plan.

Use 'float around' to indicate a temporary, often relaxed state of aimlessness.

The phrase 'float around' is neutral and can be used in various contexts without negative connotation.