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
are substantially off
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are substantially off" is correct and usable in written English.
It can be used to indicate that something is significantly incorrect or inaccurate. Example: "The estimates provided by the contractor are substantially off from the original budget we discussed."
✓ Grammatically correct
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Many on the left and the right agree on one point: The bishops, who have already shut off discussion about ordaining women, are signaling that other long-debated questions about gender in the church — the choice of pronouns in prayers, the study of the male and female aspects of God — are substantially off-limits as well.
News & Media
Bolt's time was substantially off his season best, 9.82, which he clocked on May 5 in Kingston, Jamaica.
News & Media
John Lonski, chief economist at Moody's Inc. and the reigning champion of The Wall Street Journal's survey, has been substantially off base in some surveys.
News & Media
For the six months, the average stock fund was up 3.7percentt, a pace that is substantially off the historical return of large stocks, 11percentt or so annually since 1926.
News & Media
The group was also accurate in their forecasts for the entirety of the Northwest Pacific, though their specialized forecasts for the South China Sea were substantially off.
Wiki
It is those injured in what he classifies as simple falls -- people hitting their head on the snow or those injured when they collide with another person on the mountain -- who are substantially better off if they are wearing a helmet, Levy said.
News & Media
She said that, "by and large," the families who lived in Techwood and Clark Howell "are substantially better off" than they were before the games.
News & Media
This can be seen in how much harder it is for those who are struggling to maintain even routine activities, while those who are substantially better off have become way too cautious, preferring to self-insure by holding large balances of cash rather than hiring and reinvesting in plants and equipment.
News & Media
It provides a means of identifying "those who are substantially worse off than the average" [ 46](p 56).
Science
Hence if sustained the improvement we recorded makes the longer run cognitive development of these children closer to those living in families that are substantially better off.
Science
The LICO values identify those who are substantially worse off than the average population as it represents the proportion of households in the census tract that attribute 20% more than the average Canadian family to food, shelter, and clothing [ 32].
Science
Expert writing Tips
Best practice
Use "are substantially off" to clearly indicate that there is a significant discrepancy or inaccuracy. This phrase is suitable for conveying a notable deviation from an expected or correct value.
Common error
Avoid using "are substantially off" when the difference is minor or negligible. This phrase implies a significant deviation, and using it for small discrepancies can be misleading.
Source & Trust
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are substantially off" functions as a descriptor, indicating that something deviates significantly from a standard, expectation, or correct value. The adverb "substantially" modifies the adjective phrase "off", intensifying the degree of deviation.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "are substantially off" is used to denote a significant deviation or inaccuracy. While grammatically sound, Ludwig indicates that real-world examples are limited. The phrase functions as a descriptor, indicating that something deviates significantly from a standard, expectation, or correct value. It is suitable for neutral to formal contexts where precision and clear communication of discrepancies are important. When employing this phrase, ensure the deviation is indeed significant to avoid misrepresentation. Related phrases include "are significantly different" and "are markedly divergent".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are substantially different from
Explicitly shows that two or more things are not equal.
are significantly different
This alternative focuses on the difference in magnitude, emphasizing the disparity between two values or states.
are markedly divergent
This alternative suggests a clear and noticeable separation, often used in more formal contexts.
differ considerably
This alternative underscores the magnitude of the difference between two things.
are way off
This is a more informal alternative, indicating a large error or miscalculation.
are quite inaccurate
This focuses on the lack of precision or correctness.
are far from accurate
Emphasizes the distance from being precise or correct.
deviate significantly
This alternative highlights the act of straying from an expected path or value.
are a long way off
Similar to "way off", this emphasizes the distance from a correct or expected point.
are grossly mistaken
Implies a significant and obvious error in judgment or calculation.
FAQs
How can I use "are substantially off" in a sentence?
You can use "are substantially off" to indicate that something is significantly incorrect or inaccurate. For example, "The project's estimated costs are substantially off from the initial budget."
What phrases are similar to "are substantially off"?
Alternatives include "are significantly different", "are markedly divergent", or "are way off", depending on the context and desired level of formality.
Is it more appropriate to say "are substantially off" or "are slightly off"?
Use "are substantially off" when the difference or error is significant. Use "are slightly off" when the difference is minor. The choice depends on the degree of deviation you want to convey.
What's the difference between "are substantially off" and "are completely wrong"?
"Are substantially off" suggests a significant deviation from the correct value, while "are completely wrong" implies a total lack of correctness. The former allows for some degree of approximation, while the latter does not.
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
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested