tethered adj 1: confined or restricted with or as if with a rope or chain
Tether \Teth"er\, v. t. [imp. & p. p. {Tethered}; p. pr. & vb. n. {Tethering}.] To confine, as an animal, with a long rope or chain, as for feeding within certain limits. [1913 Webster] And by a slender cord was tethered to a stone. --Wordsworth. [1913 Webster]
35 Moby Thesaurus words for "tethered": aground, anchored, bound, caught, chained, fast, fastened, fettered, fixed, grounded, hampered, handcuffed, held, high and dry, impacted, in bonds, in chains, in irons, inextricable, ironbound, jammed, manacled, moored, packed, shackled, stranded, strapped, stuck, stuck fast, tied, tied down, tied up, trammeled, transfixed, wedged