1. To free from fetters or chains; to release from physical restraint
The prisoners were unfettered after serving their sentences.
Os prisioneiros foram desacorrentados após cumprir suas sentenças.
2. To free from restrictions, constraints, or limitations; to liberate
Education can unfetter the human potential.
A educação pode libertar o potencial humano.
3. To remove obstacles or impediments from something or someone
We need to unfetter our economy from excessive regulations.
Precisamos libertar nossa economia de regulações excessivas.