light up

/laɪt əp/

/laɪt əp/

Other forms: lighted up; lighting up; lights up

Definitions of light up

1. verb

   ignite
   “The sky lit up quickly above the raging volcano”

   type of:

   ignite, light

   cause to start burning; subject to fire or great heat
2. verb

   start to burn with a bright flame
   “The coal in the BBQ grill finally lit up”

   type of:

   catch fire, combust, conflagrate, erupt, ignite, take fire

   start to burn or burst into flames
3. verb

   begin to smoke
   synonyms: fire up, light

   type of:

   ignite, light

   cause to start burning; subject to fire or great heat
4. verb

   make lighter or brighter
   synonyms: illume, illuminate, illumine, light

   types:

   floodlight

   illuminate with floodlights

   spotlight

   illuminate with a spotlight, as in the theater

   type of:

   lighten, lighten up

   become lighter
5. verb

   become clear
   synonyms: brighten, clear, clear up