The government is cracking down on free riders who benefit from public services without contributing.

I won a free lunch at the raffle.

The seller arranges for transportation of the goods to the buyer's designated location, and the risk of loss or damage passes to the buyer at that point.

There are no such things as free lunches.

I was lucky to find a rent-free apartment in the city center.

She was able to live rent-free in her friend's apartment.

The internet allows for free as in speech communication.

The event offers free food and drinks.

Free variation is a linguistic phenomenon where multiple forms can be used interchangeably without affecting the meaning.

She painted her nails with a bright color, leaving the free edge untouched.