Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun runniness
1 sense of runniness
Sense 1
fluidity, fluidness, liquidity, liquidness, runniness -- (the property of flowing easily; "adding lead makes the alloy easier to cast because the melting point is reduced and the fluidity is increased"; "they believe that fluidity increases as the water gets warmer")
=> thinness -- (a consistency of low viscosity; "he disliked the thinness of the soup")