Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “light up”

light up

phrasal verb with light
 
 
/laɪt/ verb (past tense and past participle lit, lighted)
If your face or your eyes light up, you suddenly look happy or excited: His eyes lit up when you mentioned her name.Feeling pleasure and happinessTaking pleasure in something
(Definition of light up from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “light up” in other dictionaries

Translations of “light up”

Word of the Day

initial

of or at the beginning

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More