n. 1. The quality or state of being wet; moisture; humidity; as, the wetness of land; the wetness of a cloth. [ 1913 Webster ]
2. A watery or moist state of the atmosphere; a state of being rainy, foggy, or misty; as, the wetness of weather or the season. [ 1913 Webster ]
☞ Wetness generally implies more water or liquid than is implied by humidness or moisture. [ 1913 Webster ]
3. Sweat or sweating; -- a euphemism. [ Colloq. ] [ PJC ]