Noun:
1: visible light, visible radiation, light (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"
2: light, light source any device serving as a source of illumination; "he stopped the car and turned off the lights"
3: light a particular perspective or aspect of a situation; "although he saw it in a different light, he still did not understand"
4: luminousness, light, brightness, luminosity, brightness level, luminance the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"
5: light an illuminated area; "he stepped into the light"
6: light, illumination a condition of spiritual awareness; divine illumination; "follow God's light"
7: lightness, light the visual effect of illumination on objects or scenes as created in pictures; "he could paint the lightest light and the darkest dark"
8: light a person regarded very fondly; "the light of my life"
9: light mental understanding as an enlightening experience; "he finally saw the light"; "can you shed light on this problem?"
10: lighting, light having abundant light or illumination; "they played as long as it was light"; "as long as the lighting was good"
11: light public awareness; "it brought the scandal to light"
12: twinkle, light, sparkle, spark merriment 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"
13: inner light, light within, christ within, light a divine presence believed by Quakers to enlighten and guide the soul
14: light a visual warning signal; "they saw the light of the beacon"; "there was a light at every corner"
15: igniter, light, lighter, ignitor a device for lighting or igniting fuel or charges or fires; "do you have a light?"
Verb:
1: illumine, illume, light up, light, illuminate make lighter or brighter; "This lamp lightens the room a bit"
2: fire up, light, light up begin to smoke; "After the meal, some of the diners lit up"
3: alight, perch, light to come to rest, settle; "Misfortune lighted upon him"
4: light, ignite cause to start burning; subject to fire or great heat; "Great heat can ignite almost any dry matter"; "Light a cigarette"
5: light, fall fall to somebody by assignment or lot; "The task fell to me"; "It fell to me to notify the parents of the victims"
6: get off, dismount, unhorse, light, get down get off (a horse)
Adjective:
1: light, buoyant, floaty, airy, low-density, lighter-than-air of 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"
2: powdery, light, pale, palish, pastel, light-colored (used of color) having a relatively small amount of coloring agent; "light blue"; "light colors such as pastels"; "a light-colored powder"
3: lightly-armed, light, light-armed of the military or industry; using (or being) relatively small or light arms or equipment; "light infantry"; "light cavalry"; "light industry"; "light weapons"
4: light not 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"
5: casual, light, fooling psychologically light; especially free from sadness or troubles; "a light heart"
6: sunlit, incandescent, reddened, illuminated, inflamed, lit, livid, phosphorescent, candent, bright, sunstruck, floodlit, lamplit, fluorescent, light, candescent, lighting-up, white, illuminating, bioluminescent, ablaze, floodlighted, luminescent, well-lighted, autofluorescent, lighted characterized by or emitting light; "a room that is light when the shutters are open"; "the inside of the house was airy and light"
7: unstressed, light, unaccented, 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"
8: light, digestible easily assimilated in the alimentary canal; not rich or heavily seasoned; "a light diet"
9: light, friable, sandy, loose (used of soil) loose and large-grained in consistency; "light sandy soil"
10: pure, light, unclouded, clear, clean (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"
11: lightsome, light, light-footed, tripping moving easily and quickly; nimble; "the dancer was light and graceful"; "a lightsome buoyant step"; "walked with a light tripping step"
12: undemanding, light demanding little effort; not burdensome; "light housework"; "light exercise"
13: gentle, easy, light, soft of little intensity or power or force; "the light touch of her fingers"; "a light breeze"
14: light (physics, chemistry) not having atomic weight greater than average; "light water is ordinary water"
15: lightheaded, swooning, ill, faint, sick, light-headed, light weak 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"
16: light, thin, flimsy very thin and insubstantial; "thin paper"; "flimsy voile"; "light summer dresses"
17: temperate, light, abstemious marked by temperance in indulgence; "abstemious with the use of adverbs"; "a light eater"; "a light smoker"; "ate a light supper"
18: light, scant, short, deficient, insufficient less than the correct or legal or full amount often deliberately so; "a light pound"; "a scant cup of sugar"; "regularly gives short weight"
19: insignificant, light, unimportant having little importance; "losing his job was no light matter"
20: light, frivolous intended primarily as entertainment; not serious or profound; "light verse"; "a light comedy"
21: frivolous, light, idle silly or trivial; "idle pleasure"; "light banter"; "light idle chatter"
22: light, light-duty designed for ease of movement or to carry little weight; "light aircraft"; "a light truck"
23: lite, low-cal, calorie-free, light, nonfat, fat-free, fatless having relatively few calories; "diet cola"; "light (or lite) beer"; "lite (or light) mayonnaise"; "a low-cal diet"
24: wakeful, shallow, light (of sleep) easily disturbed; "in a light doze"; "a light sleeper"; "a restless wakeful night"
25: light, promiscuous, easy, wanton, loose, unchaste, sluttish casual and unrestrained in sexual behavior; "her easy virtue"; "he was told to avoid loose (or light) women"; "wanton behavior"
Adverb:
1: lightly, light with few burdens; "experienced travellers travel light"