English-English Dictionary

Meaning of the word "light up" in English

What does "light up" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

light up

US /laɪt ʌp/
UK /laɪt ʌp/
"light up" picture

Phrasal Verb

1.

to illuminate or make something brighter

Example:
•
The Christmas tree began to light up as soon as it was plugged in.
•
The city skyline began to light up as dusk fell.
Synonym:
illuminate brighten glow shine radiate
2.

to make someone's face or eyes show pleasure or excitement

Example:
•
Her face lit up when she saw the surprise gift.
•
His eyes lit up with excitement at the news.
Synonym:
brighten gleam sparkle beam radiate
3.

to start smoking a cigarette, cigar, or pipe

Example:
•
He decided to light up a cigarette after dinner.
•
Please don't light up in here; it's a non-smoking area.
Synonym:
ignite spark kindle smoke
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Related Word:
light lighting lightness in the light of traffic light traffic lights light bulb