Used and loved by millions
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
Vast amount of time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Vast amount of time" is correct and usable in written English.
It can be used to emphasize a significant duration or period of time spent on an activity or task. Example: "She dedicated a vast amount of time to researching the topic before writing her thesis."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Wiki
Alternative expressions(4)
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
28 human-written examples
I used to spend such a vast amount of time out, day and night.
News & Media
A vast amount of time was apparently expended on it – long enough, in fact, for an entire "folk-pop" album to be recorded and scrapped.
News & Media
"We spend such a vast amount of time at our office so it needs to be great place to be," he tells me.
News & Media
Splicing these sounds together consumed a vast amount of time and could also lead to an accumulation of errors and deterioration of the sound.
Encyclopedias
All the same, Mr Miliband's late flourishing should make them regret the vast amount of time they have spent deriding him.
News & Media
If, like me, you had invested a vast amount of time and energy in the rather idealistic belief that dance music was going to change the world, this sort of thing was a crushing disappointment.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
Leading-edge HPC systems have already been generating a vast amount of time-varying complex data sets, and future-generation HPC systems are expected to produce much higher amounts of such data, thus making their visualization and analysis a much more challenging task.
Estate issues consume vast amounts of time and money – and prompt emotional debate – within universities.
News & Media
But all this involved numerous species and vast amounts of time.
News & Media
He recalled a student who spent vast amounts of time pining for a particular celebrity.
News & Media
It wastes vast amounts of time and energy that could be spent on teaching and research.
News & Media
Expert writing Tips
Best practice
Use "vast amount of time" to emphasize the significant duration spent on a particular activity, especially when highlighting the effort or resources involved. For instance, "She dedicated a "vast amount of time" to perfecting her musical skills".
Common error
Avoid using "vast amount of time" in very casual conversations. Simpler phrases like "a lot of time" or "plenty of time" may be more appropriate in informal settings.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "vast amount of time" functions as a noun phrase, typically serving as an adverbial modifier to emphasize the duration of an activity. As Ludwig confirms, it is grammatically correct and emphasizes the substantial period involved.
Frequent in
News & Media
76%
Encyclopedias
6%
Science
9%
Less common in
Wiki
3%
Formal & Business
3%
Academia
0%
Ludwig's WRAP-UP
In summary, "vast amount of time" is a grammatically sound and frequently used phrase, as Ludwig AI affirms, employed to emphasize a significant duration across various contexts, particularly in news and media. While suitable for formal and neutral registers, it should be used sparingly in casual conversations. Alternatives like "significant duration" or "considerable time period" can be used to vary wording while maintaining a similar emphasis. Remember to reserve the phrase for situations where you truly want to highlight the substantial commitment of time.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Great deal of time
A more general alternative that highlights the significant time expenditure.
Considerable time period
Highlights that the time spent is substantial.
Large quantity of time
Replaces "vast amount" with a more direct expression of quantity.
Significant duration
Emphasizes the length of the time period.
Extended duration
Similar to "lengthy period", but may imply a continuous stretch of time.
Considerable length of time
Combines the concepts of "considerable" and "lengthy" to emphasize the time's magnitude.
Lengthy period
Focuses on the extended duration of the activity.
Prolonged time
Implies a stretched-out or extended time frame.
Appreciable amount of time
Implies a noticeable or significant time investment.
Substantial time investment
Focuses on the resources allocated to the activity.
FAQs
How can I use "vast amount of time" in a sentence?
Use "vast amount of time" to emphasize a significant investment of time in an activity. For example, "The project required a "vast amount of time" for research and development".
What are some alternatives to "vast amount of time"?
You can use alternatives like "significant duration", "considerable time period", or "great deal of time" depending on the context.
Is it appropriate to use "vast amount of time" in formal writing?
Yes, "vast amount of time" is suitable for formal writing, especially when you want to highlight the extent of time dedicated to something. Just ensure the context warrants such emphasis.
What's the difference between "vast amount of time" and "a lot of time"?
"Vast amount of time" emphasizes a more significant duration than "a lot of time". While "a lot of time" is generally acceptable, "vast amount of time" adds more weight and emphasis to the duration, indicating it's exceptionally long.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested