Antonyms of adj icebound

1 sense of icebound

Sense 1
icebound -- (locked in by ice; "icebound harbors")

INDIRECT (VIA frozen) -> unfrozen -- (not frozen; "unfrozen ground")

Similarity of adj icebound

1 sense of icebound

Sense 1
icebound -- (locked in by ice; "icebound harbors")
       => frozen (vs. unfrozen) -- (turned into ice; affected by freezing or by long and severe cold; "the frozen North"; "frozen pipes"; "children skating on a frozen brook")