Light"ness, n. [From Light not heavy.]
The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; delicacy; grace.
Syn. -- Levity; volatility; instability; inconstancy; unsteadiness; giddiness; flightiness; airiness; gayety; liveliness; agility; nimbleness; sprightliness; briskness; swiftness; ease; facility.
© Webster 1913.
Light"ness, n. [From Light bright.]
1.
Illumination, or degree of illumination; as, the lightness of a room.
Chaucer.
2.
Absence of depth or of duskiness in color; as, the lightness of a tint; lightness of complexion.
© Webster 1913.