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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
fly by
Grammar usage guide and real-world examplesUSAGE SUMMARY
"fly by" is a correct and usable part of a sentence in written English.
You can use it to express the idea of something moving quickly by, or to indicate a short moment of time in a person's life. For example, "The years have flown by since we graduated high school."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
flew by
slip away
passed quickly
slipped away
progressed swiftly
vanished in an instant
went by in a flash
gone by in a flash
participated by
went by in a blink
elapsed in a flash
sped by rapidly
went by fast
passed in the twinkling of an eye
was over in a heartbeat
sped by
piloted by
progressed rapidly
elapsed rapidly
transported by
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
45 human-written examples
The minutes fly by.
News & Media
… The years fly by.
News & Media
"We've let it fly by".
News & Media
Our days fly by.
You'll fly by it.
News & Media
Events fly by.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
15 human-written examples
"He's no fly-by-night charlatan.
News & Media
What is a "fly-by-wire" plane?
News & Media
It's not a fly-by-night operator".
News & Media
Fly-by-wire is smoother and safer.
News & Media
"This is not fly-by-night stuff".
News & Media
Expert writing Tips
Best practice
Use "fly by" to vividly describe the rapid passage of time or the swift movement of objects. For example, 'The years seemed to fly by as we raised our children.'
Common error
Avoid using "fly by" to describe stationary objects or situations. The phrase implies movement or the passing of time, so it's unsuitable for static descriptions. For example, don't say 'The house flew by' unless you're describing a dream or surreal scenario.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fly by" functions primarily as an intransitive verb, describing something that passes quickly or time that elapses rapidly. As Ludwig AI confirms, it is a usable part of a sentence. Examples include 'The years fly by' and 'A car flew by'.
Frequent in
News & Media
65%
Academia
15%
Science
5%
Less common in
Formal & Business
4%
Wiki
3%
Encyclopedias
3%
Ludwig's WRAP-UP
In summary, "fly by" is a versatile verb phrase primarily used to describe the rapid passage of time or the swift movement of an object. As Ludwig AI indicates, it’s a correct and usable phrase in English. While generally neutral in tone, it's most commonly found in News & Media and academic contexts. While grammatically sound, it's important to avoid using it in static contexts. Consider alternatives like "whizz past" or "elapse quickly" depending on the specific nuance you wish to convey. The phrase is widely understood and provides a vivid way to express speed and brevity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
whizz past
Focuses on the speed and sound of movement, implying something passing very quickly.
zip past
Similar to 'whizz past' but emphasizes the quickness and ease of the movement.
flash by
Highlights the brief and sudden appearance of something as it moves.
speed past
Directly indicates a high rate of motion during the passing.
race past
Conveys a sense of urgency and competition in the movement.
hurtle by
Suggests a forceful and uncontrolled movement at high speed.
dash past
Implies a quick and energetic movement with a specific destination in mind.
elapse quickly
Shifts the focus to the rapid passage of time rather than physical movement.
pass rapidly
Similar to 'elapse quickly', but emphasizes the swift passing of events or time periods.
slip away
Focuses on the unnoticed and effortless way time or opportunities disappear.
FAQs
How can I use "fly by" in a sentence?
What's a good alternative to "fly by" when talking about time?
When referring to time, consider using alternatives like "pass quickly", "elapse rapidly", or "slip away" to convey a similar meaning.
Is "fly by" appropriate for formal writing?
While "fly by" is widely understood, it may be more suitable for informal or neutral contexts. In formal writing, consider more precise alternatives depending on the intended meaning.
What does it mean to say something "flew by" someone?
When something "flew by" someone, it means they missed it or didn't pay attention to it as it happened. For example, "The opportunity "flew by" because I wasn't prepared".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested