Antonyms of adj free-swimming

1 sense of free-swimming

Sense 1
free-swimming, unattached -- ((of animals) able to swim about; not attached)

INDIRECT (VIA vagile) -> sessile -- (permanently attached to a substrate; not free to move about; "sessile marine animals and plants")

Similarity of adj free-swimming

1 sense of free-swimming

Sense 1
free-swimming, unattached -- ((of animals) able to swim about; not attached)
       => vagile (vs. sessile) -- (having freedom to move about; "vagile aquatic animals")