1. Not confined or restricted with a tether
   "If a robot is to operate in an untethered manner, the choice of the underlying wireless communications technology becomes an issue"
    
2. (technology) operating wirelessly or independently without physical connections
   "The untethered device could be controlled from anywhere in the building"

1. Restraint consisting of a rope (or light chain) used to restrain an animal
   "The horse was secured to a post with a tether";
   - leash, lead

1. Tie with a tether
   "tether horses"

See also: unbound

Type of: attach, constraint, restraint

Encyclopedia: Untethered