Light — Meaning, Definition & Synonyms

noun adjective verb adverb /ˈlīt/

Meaning & Definition of Light

Light (noun)

  1. something that makes vision possible
  2. the sensation aroused by stimulation of the visual receptors
  3. electromagnetic radiation of any wavelength that travels in a vacuum with a speed of 299,792,458 meters (about 186,000 miles) per second; specifically, such radiation that is visible to the human eye

Light (adjective)

  1. having light, bright
  2. not intense in color, coloring, or pigmentation, not dark, pale
  3. medium in saturation and high in lightness
  4. having little weight, not heavy
  5. designed to carry a comparatively small load
  6. having relatively little weight in proportion to bulk

Light (verb)

  1. to become light, brighten —usually used with up
  2. to catch fire
  3. to ignite something (such as a cigarette) —often used with up
  4. dismount
  5. settle, alight
  6. to fall unexpectedly —usually used with on or upon

Light (adverb)

  1. lightly
  2. with little baggage

Light (noun) — Senses, Synonyms & Antonyms

  1. the steady giving off of the form of radiation that makes vision possible

    "he read poetry to her by the light of the moon"

  2. something that provides illumination

    "turn off the light when you go to bed"

  3. a person who is widely known and usually much talked about

    "a leading light in the acting profession"

    opposite: nobody, noncelebrity
  4. the first appearance of light in the morning or the time of its appearance

    "with the coming of light we could see all the damage that the storm had caused"

    related: daytime, forenoon

Light (adjective) — Senses, Synonyms & Antonyms

  1. having little weight

    "It was no problem carrying the suitcase up the stairs since it was light."

  2. involving minimal difficulty or effort

    "a little light work was all it took to straighten up the room"

  3. less plentiful than what is normal, necessary, or desirable

    "traffic on the highway seems to be very light today"

  4. moving easily

    "the dancer was exceptionally light on her feet"

  5. not harsh or stern especially in nature or effect

    "light punishment to fit a minor offense"

  6. resembling air in lightness

    "the waves had an especially light foam at their crests because of the strong breeze"

    opposite: heavy, leaden
  7. filled with much light

    "the light, airy room is exceptionally cheerful"

  8. lacking intensity of color

    "we painted the walls a light blue"

    opposite: dark, deep, gay, rich
  9. of light complexion

    "her light skin tends to freckle easily in the sun"

    similar: fair
    opposite: black, brunet, dark, swart, swarthy

Light (verb) — Senses, Synonyms & Antonyms

  1. to set (something) on fire

    "we lit the kindling before adding the heavier logs"

  2. to supply with light

    "the lights from the TV cameras will light this room as though it were high noon"

  3. to come to rest after descending from the air

    "the bird lit on the branch and began to sing"

    opposite: blast off, take off
  4. to come down from something (as a vehicle)

    "he hurriedly lighted from the bus and started walking up the street"

    related: deplane, detrain
    opposite: embark

Related Entry: Light (on or upon) (verb)

Light (on or upon) is a different word from Light. The synonyms below are for light (on or upon), not for light.

  1. to come upon unexpectedly or by chance

    "the novelist lit upon the plot for his latest thriller while visiting a remote lighthouse in Maine"

Related Entry: Light-footed (adjective)

Light-footed is a different word from Light. The synonyms below are for light-footed, not for light.

  1. moving easily

    "the light-footed cat crept silently through the house"

Related Entry: Light-headed (adjective)

Light-headed is a different word from Light. The synonyms below are for light-headed, not for light.

  1. having a feeling of being whirled about and in danger of falling down

    "I always get light-headed after riding roller coasters, even when I'm standing still again"

  2. lacking in seriousness or maturity

    "we couldn't concentrate on our work because we were feeling so light-headed"

Related Entry: Light-headedness (noun)

Light-headedness is a different word from Light. The synonyms below are for light-headedness, not for light.

  1. a lack of seriousness often at an improper time

    "teenagers, with all of their usual light-headedness, are not the best audience for this serious play"

Related Entry: Light-minded (adjective)

Light-minded is a different word from Light. The synonyms below are for light-minded, not for light.

  1. lacking in seriousness or maturity

    "the movie was a light-minded take on the biblical story of Noah and the Flood"

Synonyms, Thesaurus & Another Word for Light

The most common words with a similar meaning to Light:

Antonyms & Opposite Words for Light

Words with the opposite meaning of Light:

Near Antonyms of Light

Word Forms of Light

Inflections: lights, lighter, lightest, lit, lighted, lighting

Derived words: lightish (adjective)

Origin & Etymology of Light

Middle English liht, light, going back to Old English lēoht, Anglian lēht, going back to Germanic *leuh-t-, neuter noun (whence also Old Frisian liācht "light," Old Saxon lioht, Middle Dutch licht, lich, Old High German lioht), probably syncopated from an earlier consonantal stem *leuhađa-, as in Gothic liuhaþ "light," derivative of an Indo-European base *leu̯k- "become bright," whence also Old Irish lóchet "flash of lightning," Welsh llug "light, radiance," llug y dydd "daybreak," amlwg "clear, easily seen" (< *ambi-luk- with zero-grade), Latin lūceō, lūcēre "to emit light, shine" (Old Latin, "to cause to shine," with o-grade *lou̯k-), lūc-, lūx "light," Old Church Slavic luča "ray of light," Russian luč (genitive lučá), Bosnian-Croatian-Serbian lûč "kindling wood, torch" (< Slavic *lou̯k-), Old Prussian luckis "piece of firewood," Greek leukós "bright, shining, white," Armenian loys "light," Tocharian B lukṣäṃ "(s/he) brings light to, illuminates,"Sanskrit rócate "(it) shines, is bright," Avestan raociṇt- "brightening," Hittite lukta "it becomes light, dawns"

First known use: before 12th century

Vocabulary Lists & Topics for Light

Words & Phrases Containing Light

Frequently Asked Questions about Light

What does "Light" mean?

"Light" means something that makes vision possible. As an a noun, an adjective, a verb and an adverb, it is defined as: something that makes vision possible. It has 17 distinct senses.

What is another word for "Light"?

Other words for "Light" include blaze, flare, fluorescence, glare, gleam, glow, illumination and incandescence. The best synonym depends on which meaning of "Light" you intend.

What are different ways to say "Light"?

There are 400 words and phrases with a similar meaning to "Light". Common alternatives include blaze, flare, fluorescence, glare, gleam, glow, illumination, incandescence, luminescence and radiance.

What is the opposite of "Light"?

Antonyms of "Light" include nobody, noncelebrity, nightfall, sundown, sunset, heavy, hefty and leaden. Near antonyms include blackness, darkness, dimness and duskiness.

How do you use "Light" in a sentence?

Examples of "Light" in a sentence: "he read poetry to her by the light of the moon"; "turn off the light when you go to bed"; "a leading light in the acting profession".

Is "Light" a noun, verb, or adjective?

"Light" can be used as a noun, an adjective, a verb and an adverb, depending on the context.

Is "Light" useful for IELTS, TOEFL, and other English exams?

As an A1-level word, "Light" is typical of Cambridge A1 Movers (Young Learners), TOEIC Listening & Reading 120+.

How do you pronounce "Light"?

"Light" is pronounced /ˈlīt/.