Antonyms of adj non-buoyant

1 sense of non-buoyant

Sense 1
non-buoyant -- (tending to sink in a liquid or fall in air)

INDIRECT (VIA heavy) -> light -- (of comparatively little physical weight or density; "a light load"; "magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C")

Similarity of adj non-buoyant

1 sense of non-buoyant

Sense 1
non-buoyant -- (tending to sink in a liquid or fall in air)
       => heavy (vs. light) -- (of comparatively great physical weight or density; "a heavy load"; "lead is a heavy metal"; "heavy mahogany furniture")