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
a substantial delay in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a substantial delay in" is correct and usable in written English.
You can use it when discussing a significant postponement or holdup in a process, event, or timeline. Example: "There was a substantial delay in the delivery of the project due to unforeseen circumstances."
✓ Grammatically correct
Science
News & Media
Academia
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
40 human-written examples
One caravan of repair trucks from Connecticut got stuck in a giant traffic jam Sunday on the New Jersey Turnpike and faced a substantial delay in arrival.
News & Media
The two live-chilled groups showed a substantial delay in time to onset of rigor mortis, and had a lower maximum rigor score than untreated and crowded groups.
Science
If you had to deal with a substantial delay in receiving this page and its graphics, or if you noticed graphical anomalies or strange formatting, you may want to use the Text Only page.
Academia
Cell cycle analysis of G1-synchronized, IFN-α-treated HCC cells revealed a substantial delay in S-phase progression but no alteration of G1/S-phase transition or evidence of apoptotic cell death.
Science
The really amazing finding in this study was that, in cells from every form of Parkinson's examined -- from patients with sporadic cases and familial cases alike -- but in none of the cells from healthy control subjects, the researchers observed a substantial delay in cells' ability to pry loose damaged, dysfunctional mitochondria.
Academia
The empirical evaluation indicates that hybrid analysis may be useful to derive more up-to-date estimates of long-term survival compared with traditional design options if there is a strong improvement of survival over time, even in situations with a substantial delay in recording of incident cases.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
20 human-written examples
Ms. Walters, the White House spokeswoman, denied any substantial delay in staffing the government, saying that "there is no holdup". But she added that the administration was now screening a large pool of prospective nominees — a senior White House official put the number at about 130 — whom it would soon name for crucial positions.
News & Media
Therefore, the timing for cell culture and expansion within a GMP setting will involve a substantial delay (several weeks) in autologous stem cell transplantation after the acute phase of a heart attack.
Science
In contrast, knockdown of PP2A-C resulted in a substantial delay (up to 12 hrs) in p107 dephosphorylation (Fig. 4B).
Science
After a substantial delay, the trial began in 2008 but was suspended in 2011 when he as diagnosed with cancer.
Encyclopedias
We find that continued growth in the atmospheric loading of CH2Cl2 could offset some of the future benefits of the Montreal Protocol and lead to a substantial delay (more than a decade) in the recovery of stratospheric ozone over Antarctica. Figure 1 shows the measured surface abundance of CH2Cl2 from the National Oceanic and Atmospheric Administration NOAAA) long-term surface monitoring network.
Science & Research
Expert writing Tips
Best practice
Replace "substantial" with more specific adjectives (e.g. "unexpected", "avoidable") to provide greater detail about the delay.
Common error
Avoid using "a substantial delay in" when the delay is relatively minor. Overstating the impact can diminish the credibility of your statement. Ensure the magnitude of the delay genuinely warrants the adjective "substantial".
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a substantial delay in" functions as a noun phrase, typically serving as the subject or object of a sentence or clause. It indicates a significant postponement or hindrance affecting a particular process or event, as evidenced by the Ludwig examples.
Frequent in
Science
63%
News & Media
23%
Academia
14%
Less common in
Encyclopedias
0%
Wiki
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "a substantial delay in" is used to indicate a significant postponement or holdup. Ludwig AI confirms that it is grammatically correct and commonly used in various contexts, primarily in science, news, and academic writing. While alternatives like "a significant hold-up in" or "a considerable lag in" exist, the choice depends on the specific nuance desired. When using this phrase, ensure clarity by specifying what is being delayed and avoid overstating the impact if the delay is minor.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a significant hold-up in
Replaces "substantial delay" with "significant hold-up", suggesting a more disruptive postponement.
a considerable lag in
Substitutes "substantial delay" with "considerable lag", implying a slower pace or extended duration.
a major setback in
Changes "substantial delay" to "major setback", highlighting a more significant impediment.
a pronounced slowing in
Replaces "delay" with "slowing", emphasizing a deceleration rather than a complete stop.
a marked postponement of
Substitutes "delay" with "postponement", making the delay more explicit and formal.
a noticeable interruption to
Changes "substantial delay" to "noticeable interruption", highlighting a disruption of continuity.
a lengthy deferment of
Replaces "delay" with "deferment", suggesting a formal postponement to a later time.
a prolonged waiting period for
Substitutes "delay" with "waiting period", emphasizing the time spent waiting.
a significant setback for
Replaces "substantial delay" with "significant setback", implying a more negative impact.
a major impediment to
Changes "substantial delay" to "major impediment", highlighting the hindering effect of the delay.
FAQs
How can I use "a substantial delay in" in a sentence?
You can use "a substantial delay in" to describe a significant postponement or holdup. For instance, "There was "a substantial delay in" the project's completion due to unforeseen circumstances".
What are some alternatives to "a substantial delay in"?
Some alternatives include "a significant hold-up in", "a considerable lag in", or "a major setback in", depending on the specific nuance you want to convey.
Is it better to say "a substantial delay in" or "a significant delay in"?
Both ""a substantial delay in"" and "a significant delay in" are correct and largely interchangeable. The choice depends on personal preference or the specific context, as they carry similar meanings.
What kind of words can I use to describe the reason after "a substantial delay in"?
You can use phrases like "due to", "caused by", or "resulting from" to introduce the reason for the delay. For example, "There was "a substantial delay in" the project due to unforeseen circumstances".
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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested