time flies by

USAGE SUMMARY

The phrase "time flies by" is correct and usable in written English.
It can be used to express the idea that time passes quickly. For example, "Before I knew it the summer holidays were over; time flies by so quickly these days."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

27 human-written examples

Strangely, time flies by.

The Guardian - Arts

Time flies by, without our permission.

University of California, Berkeley

5 TIME FLIES, by Bill Cosby.

The New York Times - Books

Time flies by fast with a good book.

The New York Times - Books

2) "Spycatcher," by Peter Wright with Paul Greengrass. 3) "Time Flies," by Bill Cosby.

The New York Times - Books

How time flies by, and me with all those dishes to do!

The New Yorker

Human-verified similar examples from authoritative sources

Similar Expressions

33 human-written examples

With the winds at our back, the entire overnight flight was a mere seven hours and with an impressive menu of newly released films in my private screen, the time flew by -- literally.

Huffington Post

And I'm seeing time fly by.

The New York Times

Time flew by as they got to know more about each other.

Columbia University

It was strange how time flew by when you had nothing to remember it by.

The New York Times

The time flew by, without a cent spent at the usual tourist attractions.

The New York Times

Expert writing Tips

Best practice

Use the phrase "time flies by" to add a touch of wistful observation about the swift passage of time, especially when reflecting on enjoyable or busy periods.

Common error

While "time flies by" is widely understood, avoid overusing it in formal or academic writing. Opt for more precise language to describe temporal changes when necessary.

Linguistic Context

The phrase "time flies by" functions as an idiomatic expression used to describe the subjective experience of time passing quickly. As Ludwig AI highlights, it's a common and acceptable phrase. It often serves as an observation or reflection on the perceived speed of time.

Expression frequency: Common

Frequent in

News & Media

48%

Academia

24%

Science

16%

Less common in

Wiki

8%

Social Media

4%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "time flies by" is a common and grammatically correct idiom used to express the swift passage of time. Ludwig AI confirms its acceptability in written English. It is versatile, appearing in news, academic, and casual contexts. While appropriate in many situations, more formal alternatives exist for academic or professional writing. Remember to use "time flies by" to add a touch of observation when reflecting on life's fleeting moments.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

how time flies

An exclamation expressing surprise at how quickly time has passed.

time passes quickly

Focuses on the speed of time's passage, using a more direct and literal expression.

time marches on

Emphasizes the relentless and unstoppable nature of time.

time slips away

Highlights the unnoticed or gradual passing of time, often with a sense of loss.

time is fleeting

Stresses the transient and ephemeral nature of time.

the years roll by

Specifically refers to the passage of years, suggesting a broader timeframe.

days go by in a blur

Emphasizes a sense of disorientation due to the rapid passage of time.

time runs short

Indicates that there is limited time available.

the clock is ticking

Highlights the continuous and often urgent progression of time.

before you know it

Implies that something will happen quickly and unexpectedly.

FAQs

How can I use "time flies by" in a sentence?

You can use "time flies by" to express how quickly time passes, especially during enjoyable or busy periods. For example, "It feels like just yesterday we met, "time flies by" when you're having fun."

What's a more formal way to say "time flies by"?

In more formal contexts, consider using phrases like "time elapses rapidly" or "the passage of time is swift" to convey a similar meaning with a more professional tone.

Is it grammatically correct to say "time flies by"?

Yes, "time flies by" is a grammatically correct and idiomatic expression in English. It's a common way to describe the quick passage of time.

What does "time flies by" imply?

The phrase "time flies by" implies that time is passing quickly, often without one fully realizing it. It's frequently used when reflecting on past events or experiences.