light
noun
(physics) electromagnetic radiation that can produce a visual sensation
“the light was filtered through a soft glass window”
any device serving as a source of illumination
“he stopped the car and turned off the lights”
Synonymslight sourcea particular perspective or aspect of a situation
“although he saw it in a different light, he still did not understand”
the quality of being luminous; emitting or reflecting light
“its luminosity is measured relative to that of our sun”
an illuminated area
“he stepped into the light”
a condition of spiritual awareness; divine illumination
“follow God's light”
Synonymsilluminationthe visual effect of illumination on objects or scenes as created in pictures
“he could paint the lightest light and the darkest dark”
Synonymslightnessa person regarded very fondly
“the light of my life”
having abundant light or illumination
“they played as long as it was light”
“as long as the lighting was good”
SynonymslightingOppositesdarkmental understanding as an enlightening experience
“he finally saw the light”
“can you shed light on this problem?”
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”
public awareness
“it brought the scandal to light”
a divine presence believed by Quakers to enlighten and guide the soul
a visual warning signal
“they saw the light of the beacon”
“there was a light at every corner”
a device for lighting or igniting fuel or charges or fires
“do you have a light?”
verb
make lighter or brighter
“This lamp lightens the room a bit”
begin to smoke
“After the meal, some of the diners lit up”
to come to rest, settle
“Misfortune lighted upon him”
cause to start burning; subject to fire or great heat
“Great heat can ignite almost any dry matter”
“Light a cigarette”
Synonymsignitefall to somebody by assignment or lot
“The task fell to me”
“It fell to me to notify the parents of the victims”
Synonymsfallalight from (a horse)
start or maintain a fire in
“fire the furnace”
adjective
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”
Oppositesheavy(used of color) having a relatively small amount of coloring agent
“light blue”
“light colors such as pastels”
Synonymslight-coloredOppositesdarkof the military or industry; using (or being) relatively small or light arms or equipment
“light infantry”
“light cavalry”
Oppositesheavynot great in degree or quantity or number
“a light sentence”
“a light accent”
Oppositesheavypsychologically light; especially free from sadness or troubles
“a light heart”
Oppositesheavycharacterized by or emitting light
“a room that is light when the shutters are open”
“the inside of the house was airy and light”
Oppositesdark(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”
easily assimilated in the alimentary canal; not rich or heavily seasoned
“a light diet”
(used of soil) loose and large-grained in consistency
“light soil”
(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”
moving easily and quickly; nimble
“the dancer was light and graceful”
“a lightsome buoyant step”
demanding little effort; not burdensome
“light housework”
“light exercise”
of little intensity or power or force
“the light touch of her fingers”
“a light breeze”
Oppositesheavy(physics, chemistry) not having atomic weight greater than average
“light water is ordinary water”
Oppositesheavyweak and likely to lose consciousness
“suddenly felt faint from the pain”
“was sick and faint from hunger”
very thin and insubstantial
“thin paper”
“light summer dresses”
marked by temperance in indulgence
“abstemious with the use of adverbs”
“a light eater”
Synonymsabstemiousless than the correct or legal or full amount often deliberately so
“a light pound”
“a scant cup of sugar”
having little importance
“losing his job was no light matter”
intended primarily as entertainment; not serious or profound
“light verse”
“a light comedy”
silly or trivial
“idle pleasure”
“light banter”
Synonymsidledesigned for ease of movement or to carry little weight
“light aircraft”
“a light truck”
having relatively few calories
“diet cola”
“light (or lite) beer”
(of sleep) easily disturbed
“in a light doze”
“a light sleeper”
Synonymswakefulcasual and unrestrained in sexual behavior
“her easy virtue”
“he was told to avoid loose (or light) women”
adverb
with few burdens
“experienced travellers travel light”
Synonymslightly
Source: WordNet 3.1, Princeton University