liquid

adj. 1 having a consistency like that of water or oil, flowing freely but of constant volume. 2 having the qualities of water in appearance. 3 (of sounds) clear and pure. 4 (of assets) easily converted into cash. n. 1 liquid substance. 2 phonet. Sound of l or r. [latin liqueo be liquid]

a. Flowing freely like water; fluid; not solid.