adj. 1.existing as or having characteristics of a liquid 2.filled or brimming with tears 3.clear and bright 4.changed from a solid to a liquid state 5.smooth and flowing in quality 6.yielding 7.smooth and unconstrained in movement 8.in cash or easily convertible to cash liquid n. 1.a substance that is liquid at room temperature and pressure 2.the state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility 3.a substance in the fluid state of matter having no fixed shape but a fixed volume 4.a frictionless non-nasal continuant (especially `l' and `r')