light up

USAGE SUMMARY

"light up" is an acceptable phrase in written English.
It can be used in many different contexts; for example, "The room lit up when I flipped the switch."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

His eyes light up".

The New York Times - Sports

"Ooh, light up a candle".

The New York Times - Arts

We could light up Manhattan.

The New Yorker

Light up instead.

The New York Times

Broad regions light up in both hemispheres.

The New Yorker

Her necklace and dress light up too.

Independent

Their Day-Glo stripes light up blocks.

The New York Times

Hell, you light up my whole life.

The New Yorker

It "would make your eyes light up".

The Economist

"He did light up every room".

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

Beware light-up spinners.

Forbes

Expert writing Tips

Best practice

When describing someone's reaction, use "light up" to convey a sudden and visible expression of joy or excitement.

Common error

While "light up" is acceptable, it might be too informal for academic or professional writing. Consider more formal alternatives like "illuminate" or "brighten" depending on the intended meaning.

Linguistic Context

Light up functions primarily as a phrasal verb. It describes the action of making something brighter or igniting something, as seen in examples such as "Their Day-Glo stripes light up blocks". It can also express a sudden brightening of someone's face due to happiness, as evident in the example, "His eyes light up at the idea". Ludwig AI confirms its acceptability in written English.

Expression frequency: Very common

Frequent in

News & Media

55%

Wiki

35%

Formal & Business

10%

Less common in

Science

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "light up" is a versatile phrasal verb with multiple meanings, ranging from physical illumination to expressing emotional excitement. Ludwig AI confirms that it's an accepted phrase in written English. It's commonly used in News & Media and Wiki contexts, though potentially less suitable for formal academic writing. When describing someone's sudden joy or excitement, "light up" is particularly effective. While generally neutral in register, more formal options like "illuminate" may be preferred in certain professional contexts. Remember to select the most fitting synonym based on the intended meaning to make your writing more compelling. As seen in the various examples, "light up" is a common phrase to express different meanings depending on the context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

illuminate

Focuses on the action of providing light to something, similar to one meaning of "light up".

brighten

Emphasizes making something lighter or more cheerful, akin to causing something to "light up".

become radiant

Highlights the state of becoming bright or glowing, resembling a face that "lights up" with happiness.

spark joy

Refers to making someone happy or excited, similar to the emotional meaning of "light up".

fire up

Implies initiating or igniting something, like starting an engine or lighting a cigarette.

switch on

Suggests activating a device or system, bringing it to a state of illumination or readiness.

ignite

Focuses on the initial act of setting something on fire or causing it to burn.

become illuminated

Describes the state of being lit or filled with light, similar to something "lighting up".

enliven

Indicates bringing energy and enthusiasm, which can be synonymous with making someone's face "light up".

power on

Signifies turning on a device to make it functional, thus metaphorically "lighting up" its systems.

FAQs

How can I use "light up" in a sentence?

You can use "light up" to describe something becoming brighter, like "The stage lights "lit up" at the start of the show", or someone expressing joy, like "Her face "lit up" when she saw the puppy".

What's the difference between "light up" and "illuminate"?

"Light up" often implies a sudden or noticeable increase in brightness or emotion, while "illuminate" generally refers to providing light to something. "Illuminate" is also more formal.

What can I say instead of "light up" when referring to a cigarette?

You can use alternatives like "fire up", "spark up", or "light a cigarette".

Is it correct to say "light up" when describing a room?

Yes, it's correct. For example, you could say "The chandelier "lit up" the room", meaning it made the room brighter. However, ""illuminate"" could also be appropriate and potentially more formal.