(n)light, visible light, visible radiation(physics) electromagnetic radiation that can produce a visual sensation“the light was filtered through a soft glass window”
(n)light, lightnessthe visual effect of illumination on objects or scenes as created in pictures“he could paint the lightest light and the darkest dark”
(n)sparkle, twinkle, spark, lightmerriment expressed by a brightness or gleam or animation of countenance“he had a sparkle in his eye”, “there's a perpetual twinkle in his eyes”
(a)lightof comparatively little physical weight or density“a light load”, “magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C”
(a)light, light-colored(used of color) having a relatively small amount of coloring agent“light blue”, “light colors such as pastels”, “a light-colored powder”
(a)lightof the military or industry; using (or being) relatively small or light arms or equipment“light infantry”, “light cavalry”, “light industry”, “light weapons”
(a)lightnot great in degree or quantity or number“a light sentence”, “a light accent”, “casualties were light”, “light snow was falling”, “light misty rain”, “light smoke from the chimney”
(s)unaccented, light, weak(used of vowels or syllables) pronounced with little or no stress“a syllable that ends in a short vowel is a light syllable”, “a weak stress on the second syllable”
(s)clean, clear, light, unclouded(of sound or color) free from anything that dulls or dims“efforts to obtain a clean bass in orchestral recordings”, “clear laughter like a waterfall”, “clear reds and blues”, “a light lilting voice like a silver bell”
(s)light, lightsome, trippingmoving easily and quickly; nimble“the dancer was light and graceful”, “a lightsome buoyant step”, “walked with a light tripping step”
(s)faint, light, swooning, light-headed, lightheadedweak and likely to lose consciousness“suddenly felt faint from the pain”, “was sick and faint from hunger”, “felt light in the head”, “a swooning fit”, “light-headed with wine”, “light-headed from lack of sleep”
(s)light, scant, shortless than the correct or legal or full amount often deliberately so“a light pound”, “a scant cup of sugar”, “regularly gives short weight”
(s)easy, light, loose, promiscuous, sluttish, wantoncasual and unrestrained in sexual behavior“her easy virtue”, “he was told to avoid loose (or light) women”, “wanton behavior”