Definitions of saturated:

• adjective:   (of color) being chromatically pure; not diluted with white or gray or black
• adjective:   used especially of organic compounds; having all available valence bonds filled

  Example: "Saturated fats"

• adjective:   being the most concentrated solution possible at a given temperature; unable to dissolve still more of a substance

  Example: "A saturated solution"

• adjective:   wet through and through; thoroughly wet

  Example: "A shirt saturated with perspiration"