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
months on end
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "months on end" is correct and can be used in written English.
You can use it to describe an extended period of time, most often a particularly long or tedious one. For example: "I had been studying for months on end in preparation for the big exam."
✓ Grammatically correct
News & Media
Alternative expressions(20)
for a prolonged period
over several months
for an extended duration
weeks on end
over a long stretch
for a considerable time
for a long spell
for many moons
hours on end
years on end
minutes on end
days on end
for a prolonged period of weeks
nights on end
for several weeks continuously
week after week
weekly
every week
year after year continuously
over several years straight
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
60 human-written examples
Disappearing to Blackpool for months on end was one thing.
News & Media
Could these musicians make this music work again, months on end, with one another?
News & Media
Or when my daughter seemed to catch one tummy-bug, cold or fever after another for months on end.
News & Media
Injuries shelved him for months on end.
News & Media
I gathered data for months on end.
News & Media
They are often left empty for months on end.
News & Media
Thus, for months on end, little sunshine may appear.
Encyclopedias
We would not see him for months on end.
News & Media
Incommunicado detention for months on end is such a procedure.
News & Media
NORTH BRANCH "Months on End," comedy by Craig Pospisil.
News & Media
"He stayed in training for months on end.
News & Media
Expert writing Tips
Best practice
Use "months on end" to emphasize the tedium or unexpected length of a situation. For example, "The project required working from home for "months on end", which strained the team's communication."
Common error
While grammatically sound, using "months on end" in highly formal or professional writing may sound less sophisticated. Opt for phrases like "for a prolonged period" or "over several months" in such cases.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "months on end" functions as an adverbial phrase of time, modifying a verb or clause to indicate the duration of an action or state. Ludwig AI identifies it as a correct and usable phrase in written English.
Frequent in
News & Media
85%
Formal & Business
5%
Encyclopedias
3%
Less common in
Wiki
2%
Science
2%
Social Media
1%
Ludwig's WRAP-UP
The phrase "months on end" is a grammatically sound and frequently used expression to describe an extended period. Ludwig AI confirms its correctness and provides numerous examples from reliable sources, particularly in News & Media. While versatile, it is best suited for neutral contexts and should be used cautiously in highly formal writing, where more precise alternatives like "for a prolonged period" may be more appropriate. "Months on end" effectively emphasizes the duration and often the tedious nature of an event or activity. For a shorter period, you may consider using "weeks on end".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
over several months
States the minimum duration of the time passed.
for a prolonged period
Focuses on the length of time being extended, using more formal vocabulary.
for an extended duration
Similar to 'for a prolonged period', but emphasizes the duration aspect.
throughout numerous months
Stresses the continuation over many months.
during an extensive period
Highlights that the period is broad and comprehensive.
over a long stretch
Emphasizes the continuous nature of the period.
for a considerable time
Highlights that the time is significant and noteworthy.
for weeks and weeks
Emphasizes repetition and a tedious length of time.
for a long spell
Uses "spell" to mean a continuous period of time, which is less common.
for many moons
A more informal and figurative way to express a long time.
FAQs
How can I use "months on end" in a sentence?
You can use "months on end" to describe a continuous period lasting several months, often implying the period was long or tedious. For example, "She worked on the project for "months on end" to meet the deadline."
What are some alternatives to "months on end"?
Alternatives include phrases like "for a prolonged period", "over several months", or "for an extended duration". These alternatives offer similar meanings while providing variations in formality and emphasis.
Is it correct to say "month on end" instead of "months on end"?
No, the correct phrase is "months on end". The plural form "months" is necessary to indicate a period of several months, not just one.
What is the difference between "weeks on end" and "months on end"?
"Weeks on end" refers to a continuous period of several weeks, while "months on end" refers to a longer continuous period of several months. The choice depends on the specific duration you want to describe.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested