light up

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light up

The child uses a match to light up the campfire.

Definition

  1. Verb (intransitive):

    • To begin to smoke a cigarette, cigar, or pipe: To ignite a tobacco product and start smoking it.
    • To become illuminated; to start to burn with a bright flame: To begin to emit light, often suddenly or brightly.
    • To become bright or clear: For something, especially the sky or a person's face, to become bright or free of darkness or gloom.

  2. Verb (transitive):

    • To illuminate something; to make it lighter or brighter: To cause an area or object to be filled with light.
    • To cause something to start burning: To ignite something so it produces a flame and light.
Usage Examples

  • Verb (intransitive):

    • He sat down and lit up a cigar. (He began smoking a cigar.)
    • The fireworks lit up the night sky. (The fireworks made the night sky bright.)
    • Her face lit up when she heard the good news. (Her face became bright with happiness.)

  • Verb (transitive):

    • Can you light up the room? It's too dark in here. (Can you illuminate the room?)
    • She used a match to light up the candle. (She used a match to ignite the candle.)
Advanced Usage
  • "to light up with joy/excitement": To show sudden, strong positive emotion through one's expression.
    • The children's eyes lit up with excitement at the sight of the presents.
  • "to light up a screen/scoreboard": In sports or entertainment, to perform brilliantly and become the focal point.
    • The star player lit up the scoreboard with three goals in the first period.
Variants and Related Words
  • Light (verb): The base form, meaning to ignite or provide light.
  • Lighting (noun): The equipment or effect of providing light.
  • Enlighten (verb): To give intellectual or spiritual light to someone (figurative).
  • Delight (verb/noun): To please greatly; great pleasure. (Shares the "light" root in the sense of making bright/joyful).
Synonyms
  • Illuminate: To light up or make clear.
  • Ignite: To set on fire or spark.
  • Brighten: To make or become brighter.
  • Kindle: To start a fire or ignite a feeling.
Related Phrasal Verbs
  • Light upon/on: To find or think of something by chance.
    • He lit upon an old photograph while cleaning the attic.
  • Light out: To leave quickly or suddenly. (Informal)
    • When they heard the sirens, they lit out for the border.
Related Idioms
  • Light up like a Christmas tree: To become very brightly lit or to show extreme happiness.
    • The control panel lit up like a Christmas tree when the power was restored.
  • The lights are on but nobody's home: Used to say someone is not thinking or is absent-minded. (This idiom uses "lights" metaphorically, not the phrasal verb "light up").
light up

The child uses a match to light up the campfire.

Verb
  1. begin to smoke
    • After the meal, some of the diners lit up
  2. ignite
    • The sky lit up quickly above the raging volcano
  3. become clear
    • The sky cleared after the storm
  4. make lighter or brighter
    • This lamp lightens the room a bit
  5. start to burn with a bright flame
    • The coal in the BBQ grill finally lit up

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