What is the meaning of light up?

verb

  • Start to burn with a bright flame.
    • usage: "The coal in the BBQ grill finally lit up"
  • Make lighter or brighter.
    • usage: "This lamp lightens the room a bit"
  • Become clear.
    • usage: "The sky cleared after the storm"
  • Ignite.
    • usage: "The sky lit up quickly above the raging volcano"
  • Begin to smoke.
    • usage: "After the meal, some of the diners lit up"
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APAWordNet. (2010). light up. Retrieved February 24, 2018, from http://smartdefine.org/light_up/definitions/1291481
ChicagoWordNet. 2010. "light up" http://smartdefine.org/light_up/definitions/1291481 (accessed February 24, 2018).
HarvardWordNet 2010, light up, Smart Define, viewed 24 February, 2018, <http://smartdefine.org/light_up/definitions/1291481>.
MLAWordNet. "light up" 23 October 2010. Web. 24 February 2018. <http://smartdefine.org/light_up/definitions/1291481>