Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Unconfined

Unconfined as day.
—Mark Akenside

Unconfin’d as light.
—Richard Duke

Unconfined as air.
—Francis Fawkes

Unconfin’d as our first parents in their Eden were.
—Thomas Otway

Unconfined, like some free port of trade.
—Alexander Pope