WordWeb Online

1. A feeling of joy and pride
   - elation, high spirits
    
2. The property of being comparatively small in weight
   "the lightness of balsa wood"
   - weightlessness
    
3. The gracefulness of a person or animal that is quick and nimble
   - agility, legerity, lightsomeness, nimbleness
    
4. Having a light colour
    
5. The visual effect of illumination on objects or scenes as created in pictures
   - light
    
6. The trait of being lighthearted and frivolous
   - lightsomeness

Derived forms: lightnesses

See also: dark, light

Type of: giddiness, gracefulness, joy, joyfulness, joyousness, silliness, value, visual property, weight

Antonym: darkness, heaviness

Encyclopedia: Lightness