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
unacceptably long
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unacceptably long" is correct and usable in written English.
You can use it to describe a duration of time that is considered too lengthy or beyond acceptable limits. Example: "The wait time for customer service was unacceptably long, leading to frustration among the customers."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
excessively prolonged
unduly extended
prohibitively time-consuming
excessively long
too lengthy
impractically long
prohibitively long
exceedingly drawn out
overly lengthy
went on forever
particularly time consuming
still awaited
long belated
long long
well awaited
a long time coming
long delay
Long overdue
anticipated with pleasure
long slow
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
The wait to vote was unacceptably long in some places.
News & Media
In the past, garbage collection has been known to create unacceptably long interruptions in function.
But the court said the delay was "unacceptably long" and established the new 30-day rule.
News & Media
The hundreds of backlogged candidates have waited "an unacceptably long time" for final consideration, he said.
News & Media
For Web users, congestion manifests itself in unacceptably long response times.
Science
However, when run simultaneously, the combined system of engine and ORC requires unacceptably long computing time.
Science
Except for cases with a bad local minimum, this produces a good clustering, but runtimes may be unacceptably long.
Academia
In 2002, Fukuyama came to the conclusion that invading Iraq was going to be a gamble with unacceptably long odds.
News & Media
But six years is still unacceptably long and it is still unclear how many people's DNA will be kept indefinitely.
News & Media
Passport queues at Heathrow have been "unacceptably long" during peak periods in the last few days, the airport operator has told Home Office ministers.
News & Media
Agapi Chouzouraki, a lawyer for the Greek Council for Refugees, points out that the waiting periods are unacceptably long even for this initial brief registration interview.
News & Media
Expert writing Tips
Best practice
When using "unacceptably long", ensure you provide context regarding what makes the duration unacceptable. Be specific about the consequences or the expected standards that are being violated.
Common error
Avoid using "unacceptably long" as a vague descriptor. Instead of saying "the wait was unacceptably long", specify the actual duration and why it's unacceptable: "The wait was 3 hours, unacceptably long for an emergency room visit where the standard is under an hour."
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unacceptably long" primarily functions as an adverbial modifier intensifying the adjective "long". It expresses a subjective judgment about the duration, indicating that it exceeds tolerable or permissible limits. Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
42%
Science
40%
Academia
9%
Less common in
Formal & Business
6%
Reference
2%
Wiki
1%
Ludwig's WRAP-UP
In summary, "unacceptably long" is a common and grammatically sound phrase used to express disapproval of a duration exceeding tolerable limits. Ludwig AI confirms its grammatical accuracy. It is frequently used in news, scientific, and academic contexts to highlight inefficiencies or failures to meet expected standards. When using the phrase, provide specific context about why the duration is unacceptable, and consider alternatives like "excessively prolonged" or "unduly extended" for nuanced expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
excessively prolonged
Emphasizes the extension in time beyond what is considered normal or acceptable.
unduly extended
Highlights that the length is inappropriately or unjustifiably stretched out.
inordinately lengthy
Suggests a length that is far greater than what is customary or suitable.
unreasonably protracted
Focuses on the unfair or unwarranted continuation of something over time.
intolerably extended
Conveys that the duration is so long it can no longer be endured or tolerated.
prohibitively time-consuming
Highlights the deterrent effect of the extensive time required.
undesirably lengthy
Simply states that the length is not wanted or appreciated.
excessive waiting period
Specifically applies to waiting times that are beyond acceptable limits.
overly time-intensive
Emphasizes the high amount of time required, which is deemed too much.
impractical duration
Indicates that the length of time makes something unfeasible or unrealistic.
FAQs
How can I use "unacceptably long" in a sentence?
Use "unacceptably long" to describe a duration that exceeds tolerable limits. For example: "The "delay was unacceptably long"", or "Waiting times are "unacceptably long for patients"".
What are some alternatives to "unacceptably long"?
You can use alternatives such as "excessively prolonged", "unduly extended", or "inordinately lengthy" depending on the specific context.
When is it appropriate to use "unacceptably long"?
It's appropriate when referring to a duration that is beyond reasonable or agreed-upon standards. Provide context to clarify why the duration is considered unacceptable, like "The "response time was unacceptably long" for a life-threatening emergency".
What makes "unacceptably long" different from "very long"?
"Very long" simply indicates a great length of time, while "unacceptably long" implies that the length of time is problematic and violates some implicit or explicit standard. It suggests a negative consequence or deviation from expected norms.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested