Antonyms of adj water-soluble

1 sense of water-soluble

Sense 1
water-soluble -- (soluble in water)

INDIRECT (VIA soluble) -> insoluble, indissoluble -- ((of a substance) incapable of being dissolved)

Similarity of adj water-soluble

1 sense of water-soluble

Sense 1
water-soluble -- (soluble in water)
       => soluble (vs. insoluble) -- ((of a substance) capable of being dissolved in some solvent (usually water))