Unbound is a synonym of fetterless.
As a verb unbound
is (unbind).
As an adjective fetterless is
without fetters.
unbound
English
Verb
(head)
(unbind)
Derived terms
* unbounded
unbind
English
Verb
To take bindings off.
(figuratively) To set free from a debt, contract or promise.
To disable a key binding.
* Douglas Chick, Minecraft Secrets Book Cheat Codes (page 23)
- Unbinds the specified key from a command
fetterless
English
Adjective
(-)
Without fetters.
Synonyms
* free
* unbound
* unchained