adj. unbound
adv. in an unbound manner
n. the quality or state of being unbound; freedom
v. to free, make or become unbound

Alduin, feyn do jun, kruziik vokun staadnau, voth aan bahlok wah diivon fin lein!
Alduin, Bane of Kings, ancient shadow unbound, with a hunger to swallow the world!
(Book, Songs of Skyrim)

Het mah Arnvid faal Staadnau, wen Haas denos mindin Kein do Galik, kolos rok ofaal dilos ahraan.
Here fell Arnvid the Unbound, whose Health declined after the War of Pines, in which he received a deadly wound.
(Word Wall for Haas, Drain Vitality)

May relate to stin ‘free’.

Rarely used, may be specific to poetry or names.