- to set free from restraining bonds or chains; release
- to unfasten or make loose (a bond, tie, etc)
WordReference Random House Unabridged Dictionary of American English © 2026
un•bound
(un bound′),USA pronunciation v.
adj.
WordReference Random House Learner's Dictionary of American English © 2026- pt. and pp. of unbind.
adj.
- not bound, as a book.
- Chemistryfree;
not attached, as by a chemical bond:unbound electrons.
- bef. 900; (adjective, adjectival) Middle English unbounde, unbunden, Old English unbunden; see un-1, bound1
un•bind /ʌnˈbaɪnd/USA pronunciation
v. [~ + object], -bound, -bind•ing.
WordReference Random House Unabridged Dictionary of American English © 2026- to release from ropes, ties, or restraint;
set free. - to unfasten;
untie.
un•bind
(un bīnd′),USA pronunciation v.t., -bound, -bind•ing.
- to release from bonds or restraint, as a prisoner;
free. - to unfasten or loose, as a bond or tie.
- bef. 950; Middle English unbinden, Old English unbindan; cognate with German entbinden. See un-2, bind
Collins Concise English Dictionary © HarperCollins Publishers::
unbind /ʌnˈbaɪnd/ vb ( -binds, -binding, -bound) (transitive)
'unbound' also found in these entries (note: many are not synonyms or translations):