from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To set free or keep free from restrictions or bonds.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To release from fetters; to unchain; to let loose; to free.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To loose from fetters or from restraint; to unchain; to unshackle; to liberate.
from The Century Dictionary and Cyclopedia
- To loose from fetters; unchain; unshackle; remove the fetters from.
- To free from restraint; set at liberty: as, to unfetter the mind.
un- + fetter. (Wiktionary)