Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb tether

1 sense of tether

Sense 1
tether -- (tie with a tether; "tether horses")
       => attach -- (cause to be attached)

Antonyms of adj tethered

1 sense of tethered

Sense 1
tethered -- (confined or restricted with or as if with a rope or chain)

INDIRECT (VIA bound) -> unbound -- (not restrained or tied down by bonds)

Similarity of adj tethered

1 sense of tethered

Sense 1
tethered -- (confined or restricted with or as if with a rope or chain)
       => bound (vs. unbound) -- (confined by bonds; "bound and gagged hostages")