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
last for days
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "last for days" is correct and usable in written English.
You can use it to describe something that endures or remains effective for several days. Example: "The effects of the medication may last for days, so be sure to follow the dosage instructions carefully."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
Alternative expressions(20)
long-lasting
are for ages
last for hours
last for years
endure for a long time
last for weeks
last for generations
last for bookshops
later for ages
last for months
lasting for days
go the distance
durable
last for periods
last for decades
last for teams
stand the test of time
last for ages
last for centuries
remain for a considerable period
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
56 human-written examples
They last for days (one day under water).
News & Media
Parties with live music that last for days are frequent occurrences on birthdays, novenas, and the Day of the Dead.
News & Media
Some, however, last for days.
News & Media
That can last for days.
News & Media
The discomfort can last for days.
News & Media
The pain would last for days.
News & Media
I could make that last for days.
News & Media
I wanted the stain to last for days and weeks.
News & Media
Users feel intense pleasure, followed by an energetic high that can last for days.
News & Media
This process results almost immediately from doing resistance exercise, and the effect can last for days.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
HEAT MAY LAST FOR DAYS.; Washington Can't See Relief -Mercury at 99 There.
News & Media
Expert writing Tips
Best practice
When describing the duration of events or conditions, use "last for days" to clearly indicate that something persists for multiple days. This is particularly useful in scientific reports, news articles, and general descriptions where accuracy is important.
Common error
While grammatically correct, constantly using "last for days" in everyday conversation can sound repetitive or overly formal. Vary your language with alternatives like "it took several days" or "it was a days-long event" to maintain a natural tone.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "last for days" functions as a verb phrase indicating duration. It specifies the length of time something persists or remains effective. Ludwig AI provides numerous examples showing its application across diverse contexts.
Frequent in
News & Media
65%
Science
15%
Wiki
10%
Less common in
Encyclopedias
5%
Formal & Business
3%
Academia
2%
Ludwig's WRAP-UP
The phrase "last for days" is a versatile and commonly used expression to indicate that something persists or endures over a period of multiple days. According to Ludwig AI, its grammatical correctness and frequent usage across various sources, including news, science, and general media, make it a reliable choice for clearly communicating duration. While appropriate in most contexts, it's important to consider alternatives in casual conversation to avoid sounding overly formal. When writing or speaking, use "last for days" to provide clarity regarding the temporal aspect of events or conditions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
endure for days
Replaces "last" with "endure", emphasizing the ability to withstand or remain strong over a period.
persist for days
Substitutes "last" with "persist", highlighting the continuation of something despite potential obstacles.
continue for days
Uses "continue" in place of "last", focusing on the uninterrupted duration of an event or state.
hold out for days
Employs "hold out", suggesting resistance or survival over a specified duration.
remain for days
Replaces "last" with "remain", indicating a state of being present or existing for the duration.
extend for days
Uses "extend" to indicate that something reaches or stretches over a period of days.
go on for days
Replaces "last" with "go on", a more informal way to express that something continues for a period.
span several days
Changes the structure to emphasize the coverage of multiple days.
stretch over days
Similar to "span several days", highlighting the distribution across a period.
be sustained for days
Focuses on the act of maintaining or supporting something over a period of days.
FAQs
How can I use "last for days" in a sentence?
You can use "last for days" to describe something that endures or remains effective for several days. For example: "The effects of the medication may last for days, so be sure to follow the dosage instructions carefully."
What are some alternatives to "last for days"?
Some alternatives include "endure for days", "persist for days", or "continue for days" depending on the specific nuance you want to convey.
Is it more appropriate to say "lasting for days" or "last for days"?
Both phrases are grammatically correct, but "last for days" is more concise and commonly used. "Lasting for days" is often used in descriptive contexts where you want to emphasize the ongoing nature of something.
What is the difference between "last for days" and "last for weeks"?
"Last for days" indicates a duration of multiple days, while "last for weeks" indicates a longer duration spanning several weeks. The choice depends on the specific timeframe you're describing. For example if something "last for weeks" is generally longer than something that lasts for days.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested