not tied or limited with or as if with a tether
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use untethered in a sentence
It may also have left them somewhat untethered, drifting in between their own lives and the eternal mysteries.Sor Juana: Mexico’s Most Erotic Poet and Its Most Dangerous Nun | Katie Baker | November 8, 2014 | THE DAILY BEAST
They float free of such specifics, as untethered symbols of a world derived from print.
Mercury untethered midweek bids you break out of routines, both in your schedule and in your habits.What the Stars Hold for Your Week, June 26-July 2, 2011 | Starsky + Cox | June 26, 2011 | THE DAILY BEAST
Of course, a literary romance can equally bring substitute solace to the untethered heart.
She was left untethered in an enclosed home pasture about half a mile from the mansion.Boyhood in Norway | Hjalmar Hjorth Boyesen
"Yes, yes," replied Grandfather Death, as slowly he untethered one by one the swine of Eubouleus.Figures of Earth | James Branch Cabell
The jennet was untethered and Robin upon its back in a flash; then the lad heard the whizz of an arrow past him.Robin Hood | Paul Creswick
Horses were untethered and saddled, and within five minutes the posse was ready to start.Bert Wilson's Twin Cylinder Racer | J. W. Duffield
To him she had always been what a pretty young matron usually is to a well-bred but hare-brained youth just untethered.The Younger Set | Robert W. Chambers