unchained

Something is unchained when it's free from restraints that confine it. Better not leave your unchained bike outside of the library — someone might steal it!

Most people think it's fine to leave your dog unchained in the back yard for a while but consider it cruel when a dog is chained outdoors all day. To be chained is to be secured by a chain, and when you add the prefix un-, "not," you get the opposite. An unchained tiger cub can happily run back to its mother, and an unchained gate can freely swing open.

Definitions of unchained
1

adj not bound by shackles and chains

Synonyms:
unfettered, unshackled, untied
unbound
not restrained or tied down by bonds

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