1. (n.) The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; nimbleness; delicacy; grace.

2. (n.) Illumination, or degree of illumination; as, the lightness of a room.

3. (n.) Absence of depth or of duskiness in color; as, the lightness of a tint; lightness of complexion.

Munsell chroma achroma achromasia achromatosis agility airiness airy texture albescence albinism albino albinoism amiable weakness anemia ashiness attenuation big deal blondness bloodlessness bounce breakability breeziness brightness brittleness buoyancy cadaverousness canescence carefreeness chalkiness chambering changeableness cheerfulness chirpiness chloranemia chroma chromatic color chromaticity collapse color quality colorimetric quality cool color coquettishness creaminess daintiness deathly hue deathly pallor debonairness delicacy destructibility diaphanousness dilutedness dilution dimness disintegration dullness easy virtue effeminacy effervescence elasticity emptiness ethereality exiguity exility expansiveness exsanguination faddishness faddism fadedness faintness fairness featliness fickleness fineness flightiness flimsiness flippancy fluffiness foolishness fragility frailty frangibility frivolity frivolousness frostiness frothiness futility gaiety gauziness ghastliness glaucescence glaucousness gossameriness gracility grizzliness haggardness hoariness hue human frailty hypochromia hypochromic anemia idleness inanity inconstancy indecisiveness infirmity of will inherent vice insubstantiality irresolution jauntiness laciness lack of depth lactescence laxity leukoderma levity light heart lightheartedness lightsomeness liveliness lividness loose morals looseness lucence lucency lucidity luminosity luminousness mercuriality mercurialness milkiness mistiness moral weakness muddiness neutral color nimbleness nugacity paleness pallidity pallidness pallor paperiness pastiness pearliness perkiness pertness prison pallor promiscuity purity rarity resilience resiliency sallowness saturation shallow-wittedness shallowness sickliness sickly hue silliness silver silveriness skittishness sleaziness sleeping around slenderness slightness slimness snowiness spryness subtility superficiality swinging tenuity thinness tint tone translucence translucency triflingness triteness triviality trivialness undependability unpredictability unprofoundness unprofundity unreliability unsubstantiality vacuity vagueness value vanity vapidity velleity vitiligo vivacity volatility wanness wantonness warm color wateriness waywardness weakness white white race whiteness whitishness whorishness wispiness womanishness