On a tether is a phrase that describes the state of being restricted or confined to a certain area. It can be used to describe both physical and metaphorical boundaries. The two crossword solutions for this term are roped (5 letters) and leashed (7 letters). Roped implies being tied up with a rope, while leashed implies being restrained by a leash, such as a dog leash. Both words suggest a sense of restriction and confinement.