Not fully soaked or filled with liquid. The unsaturated soil quickly absorbed the rainwater.
In chemistry, having carbon-carbon double or triple bonds and capable of undergoing addition reactions. Unsaturated fats are considered healthier than saturated fats.
Not fully satisfied or fulfilled. The market for electric cars is still unsaturated, offering opportunities for new manufacturers.
In meteorology, (of air) containing less than the maximum amount of water vapour it can hold at a given temperature and pressure. Because the air was unsaturated, the clouds quickly evaporated after sunrise.