unsaturated

adjective

1. not saturated; capable of dissolving more of a substance at a given temperature

- an unsaturated salt solution

2. used of a compound (especially of carbon) containing atoms sharing more than one valence bond

- unsaturated fats

Similar word(s): monounsaturated, polyunsaturated

3. (of color) not chromatically pure; diluted

- an unsaturated red

Similar word(s): dull