Like dewy grass (4)
(Other definitions for damp that I've seen before include "A bit wet" , "Moisture" , "Humid" , "Clammy" , "soggy" .)
(Other definitions for wet that I've seen before include "Irresolute" , "Soaked with water" , "Soaked with liquid" , "Saturated with liquid" , "Moist or Soaked" .)