Definition of light up (something)
- light a room up
- Fireworks lit up the sky.
- A smile lights up her whole face.
- Her smile lights up the room.
- She lit up a cigarette.
: something that makes vision possible
: the sensation aroused by stimulation of the visual receptors
: electromagnetic radiation of any wavelength that travels in a vacuum with a speed of 299,792,458 meters (about 186,000 miles) per second
: having light : bright
: not dark, intense, or swarthy in color or coloring : pale
: medium in saturation and high in lightness
: to become light : brighten
: to take fire
: to ignite something (such as a cigarette)
: having little weight : not heavy
: designed to carry a comparatively small load
: having relatively little weight in proportion to bulk
: with little baggage
: settle, alight
: to fall unexpectedly
: in or into a higher position or level
: from beneath the ground or water to the surface
: from below the horizon
: risen above the horizon
: being out of bed
used as a function word to indicate motion to or toward or situation at a higher point of
: up into or in the
: in a direction regarded as being toward or near the upper end or part of
: one in a high or advantageous position
: an upward slope
: a period or state of prosperity or success
: to rise from a lying or sitting position
: to move upward : ascend
used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated
: some indeterminate or unspecified thing
: some indeterminate amount more than a specified number
: a person or thing of consequence
: in some degree : somewhat
used as an intensive giving adverbial force to an adjective
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