Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb light_up

5 senses of light up

Sense 1
light up -- (start to burn with a bright flame; "The coal in the BBQ grill finally lit up")
       => erupt, ignite, catch fire, take fire, combust, conflagrate -- (start to burn or burst into flames; "Marsh gases ignited suddenly"; "The oily rags combusted spontaneously")

Sense 2
light, illume, illumine, light up, illuminate -- (make lighter or brighter; "This lamp lightens the room a bit")
       => lighten, lighten up -- (become lighter; "The room lightened up")

Sense 3
clear up, clear, light up, brighten -- (become clear; "The sky cleared after the storm")

Sense 4
light up -- (ignite; "The sky lit up quickly above the raging volcano")
       => ignite, light -- (cause to start burning; subject to fire or great heat; "Great heat can ignite almost any dry matter"; "Light a cigarette")

Sense 5
light up, fire up, light -- (begin to smoke; "After the meal, some of the diners lit up")
       => ignite, light -- (cause to start burning; subject to fire or great heat; "Great heat can ignite almost any dry matter"; "Light a cigarette")