light up (something)

idiom
Updated on: 15 Nov 2017

Definition of light up (something)

1 :to provide light for (something) :to fill (something) with light
  • light a room up
  • Fireworks lit up the sky.
often used figuratively
  • A smile lights up her whole face.
  • Her smile lights up the room.
2 :to cause (something) to burn
  • She lit up a cigarette.

Word by Word Definitions

light play
  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

  1. : having light : bright

  2. : not dark, intense, or swarthy in color or coloring : pale

  3. : medium in saturation and high in lightness

  1. : to become light : brighten

  2. : to take fire

  3. : to ignite something (such as a cigarette)

  1. : having little weight : not heavy

  2. : designed to carry a comparatively small load

  3. : having relatively little weight in proportion to bulk

  1. : lightly

  2. : with little baggage

  1. : dismount

  2. : settle, alight

  3. : to fall unexpectedly

up play
  1. : in or into a higher position or level

  2. : from beneath the ground or water to the surface

  3. : from below the horizon

  1. : risen above the horizon

  2. : standing

  3. : being out of bed

  1. used as a function word to indicate motion to or toward or situation at a higher point of

  2. : up into or in the

  3. : in a direction regarded as being toward or near the upper end or part of

  1. : one in a high or advantageous position

  2. : an upward slope

  3. : a period or state of prosperity or success

  1. : to rise from a lying or sitting position

  2. : to move upward : ascend

  3. used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated

something play
  1. : some indeterminate or unspecified thing

  2. : some indeterminate amount more than a specified number

  3. : a person or thing of consequence

  1. : in some degree : somewhat

  2. used as an intensive giving adverbial force to an adjective


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