Antonyms of adj water-insoluble

1 sense of water-insoluble

Sense 1
water-insoluble, non-water-soluble -- (not soluble in water)

INDIRECT (VIA insoluble) -> soluble -- ((of a substance) capable of being dissolved in some solvent (usually water))

Similarity of adj water-insoluble

1 sense of water-insoluble

Sense 1
water-insoluble, non-water-soluble -- (not soluble in water)
       => insoluble (vs. soluble), indissoluble -- ((of a substance) incapable of being dissolved)