light up

light someone or something up

to shine lights on someone or something. (See also light something up.) We lit Fred up with the headlights of the car. Light up the stage and let's rehearse.

See also: light, up

light something up 

1. to light a fire, a gas burner, etc. I lit the kindling up and soon the fire was going. You light up the stove and get dinner going.

2. to light something to smoke, such as a cigarette, pipe, etc. (See also light someone or something up.) She lit the cigarette up and took in a great breath of the smoke. She lit up a cigarette.

See also: light, up

light up 

1. to become brighter. Suddenly, the sky lit up like day. The room lit up as the fire suddenly came back to life.

2. [for someone] to become interested and responsive in something. We could tell from the way Sally lit up that she recognized the man in the picture. She lit up when we told her about our team's success.

See also: light, up

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light up

to look happy Grandma's eyes would light up when she started talking about her younger days.

See also: light, up

light up something/somewhere

to add excitement to a place or thing She was one of those people who would light up a room. Her personality doesn't exactly light up a television screen - in fact, she's painfully shy.

See also: light, up