flowing

adjective

Marked by facility, especially of expression: easy, effortless, fluent, fluid, graceful, smooth. See style/good style/bad style.

The noun has one meaning:

Meaning #1: the motion characteristic of fluids (liquids or gases)
  Synonym: flow

The adjective flowing has 4 meanings:

Meaning #1: smooth and unconstrained in movement
  Synonyms: fluent, fluid, liquid, smooth

Meaning #2: (of water) rising to the surface under internal hydrostatic pressure
  Synonym: artesian

Meaning #3: moving smoothly and continuously
  Synonym: streaming

Meaning #4: (of liquids) moving freely
  Synonym: streaming