out like a light

USAGE SUMMARY

"out like a light" is correct and usable in written English.
You can use it to refer to someone who falls asleep quickly and suddenly. For example, "After a long day at work, she was out like a light as soon as her head hit the pillow."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

38 human-written examples

Out like a light.

The Guardian - Books

I was out like a light.

The New York Times

"I was going out like a light.

The Guardian

You'll be out like a light.

The New York Times - Style

"Mikaela was out like a light, lying on some netting".

The New York Times - Sports

"I want to be put out like a light".

The New Yorker

Human-verified similar examples from authoritative sources

Similar Expressions

22 human-written examples

I was out like a light--or, I guess I was on like a light, but asleep, anyway--within minutes.

Huffington Post

Once you realize that things even out, it's like a light being turned on in your head, then being turned off, then being turned to "dim".

The New Yorker

According to Broglie, electrons have wavelike properties; therefore, the beam of electrons emerging from the slit should widen and spread out like a beam of light waves.

Encyclopedia Britannica

That shouldn't be a problem if you travel by car, but if you're flying, I recommend that you try out some travel options, like a light folding meditation bench or an inflatable meditation cushion.

Huffington Post

" Insert your finger into the cut end of the paper, and pull out the inner papers so it comes out like a long cone (or light saber, if you're into sci-fi! ).

WikiHow

Expert writing Tips

Best practice

Use "out like a light" to vividly describe someone falling asleep very quickly or losing consciousness abruptly. It's an informal idiom that adds color to your writing.

Common error

Avoid using "out like a light" in formal or serious contexts where a more direct and less idiomatic phrase would be appropriate. For example, in medical reports, prefer "loss of consciousness" over "out like a light".

Linguistic Context

The phrase "out like a light" functions as an idiomatic expression used to describe someone falling asleep or becoming unconscious quickly and suddenly. It adds a vivid and relatable image to the description, as confirmed by Ludwig AI.

Expression frequency: Common

Frequent in

News & Media

65%

Wiki

15%

Academia

10%

Less common in

Encyclopedias

3%

Science

4%

Formal & Business

3%

Ludwig's WRAP-UP

In summary, "out like a light" is a common idiomatic expression used to describe someone falling asleep or becoming unconscious very quickly. Ludwig AI confirms its grammatical correctness and usability in various contexts. While suitable for informal communication and creative writing, it should be avoided in formal or technical settings. Related phrases include "fast asleep" and "instantly asleep". Its usage is most prevalent in News & Media sources.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

instantly asleep

Highlights the immediacy of falling asleep.

asleep in an instant

Focuses on the speed and immediacy of falling asleep.

fast asleep in seconds

More explicit about the speed of falling asleep, similar to the original phrase.

fast asleep

Indicates a state of being asleep quickly and deeply. Focuses on the result of falling asleep.

went straight to sleep

Emphasizes the directness of falling asleep without delay.

sound asleep

Describes the depth and quality of sleep. Less emphasis on the speed of falling asleep.

passed out immediately

A more informal expression for losing consciousness quickly.

fell unconscious immediately

Emphasizes a sudden loss of consciousness rather than sleep.

unconscious in a flash

Uses a different idiomatic expression to describe the speed of losing consciousness.

became unconscious at once

A more formal way of stating a sudden loss of consciousness.

FAQs

What does "out like a light" mean?

The phrase "out like a light" means to fall asleep very quickly and suddenly or to become unconscious abruptly.

How can I use "out like a light" in a sentence?

You might say, "After the marathon, I was "fast asleep"; I went "out like a light" as soon as my head hit the pillow."

What's a more formal way to say "out like a light"?

In more formal settings, consider using phrases like "lost consciousness", "fell unconscious immediately", or "became unresponsive".

Is "out like a light" appropriate for all types of writing?

While "out like a light" is acceptable in informal writing and conversation, it's best to avoid it in formal or technical contexts where precision and clarity are paramount.