WordWeb Online

1. The state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility
   - liquid, liquidity, liquid state
    
2. The property of flowing easily
   "adding lead makes the alloy easier to cast because the melting point is reduced and the liquidness is increased";
   - fluidity, fluidness, liquidity, runniness

Type of: state, state of matter, thinness