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
but theoretically
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "but theoretically" is correct and usable in written English.
It can be used when discussing a concept or idea that is based on theory rather than practical application or reality. Example: "The solution may seem effective, but theoretically, it could lead to unforeseen complications."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
in theory
hypothetically speaking
on paper
but potentially
from a purely theoretical standpoint
as a thought experiment
in an ideal world
conceptually
given the right circumstances
for all intents and purposes
but conceivably
but presumably
but nominally
but technically
but hypothetically
but virtually
but ideally
but tentatively
but normally
but notionally
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
"But, theoretically, twelve months is better than seven months".
News & Media
Here's a nightmare example, unlikely but theoretically possible.
News & Media
But theoretically, he said, "any substantial stockholder can stir things up".
News & Media
But theoretically insurance businesses would be able to tweak prices to reflect risk more closely.
News & Media
But theoretically, if it were a belief system like a religion, who would be its messiah?
News & Media
The program was placed in a congressionally created but theoretically independent corp.
News & Media
But theoretically, you have an approach about how you're spending your bullets.
News & Media
Some companies have social enterprise subsidiaries operating in Scotland but, theoretically, no money is taken in profit.
News & Media
Relationships that profess to be real, trusting and intimate are hard work, often messy, but theoretically worth it.
News & Media
"You cannot choose, they're all good teams with quality, but theoretically you don't want to play against Manchester or Barcelona".
News & Media
But, theoretically, you could have prizes that separated "Louie -like, "Transparent"-esque "traumedy" from O.G. muLouie -likework siTransparent -esque
News & Media
Expert writing Tips
Best practice
Use "but theoretically" to introduce a contrasting viewpoint that holds true in theory, even if it might not always apply in practice. This helps to acknowledge potential limitations or complexities.
Common error
Avoid using "but theoretically" to justify unrealistic or impractical suggestions. Ensure that the theoretical possibility has at least some grounding in reality.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "but theoretically" functions as a discourse marker introducing a contrast between a practical reality and a theoretical possibility or expectation. According to Ludwig, the phrase is usable in written English, often serving as a concessive conjunction to acknowledge an opposing viewpoint that exists in theory.
Frequent in
News & Media
58%
Science
35%
Formal & Business
7%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "but theoretically" is a common and grammatically correct way to introduce a theoretical possibility that contrasts with practical reality. As Ludwig AI states, it is usable in written English and often functions as a concessive conjunction. Predominantly found in "News & Media" and "Science", "but theoretically" serves to qualify statements, acknowledge limitations, and introduce speculative elements. To improve your writing, use it to acknowledge potential complexities and theoretical nuances, and avoid using it to justify unrealistic suggestions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in theory
Shorter and more direct, focusing solely on the theoretical aspect.
from a purely theoretical standpoint
Adds emphasis by specifying the theoretical perspective.
hypothetically speaking
Emphasizes the conditional and speculative nature of the statement.
on paper
Highlights a discrepancy between theoretical plans and real-world outcomes.
as a thought experiment
Positions the statement as part of a mental exercise or exploration of possibilities.
in an ideal world
Highlights the difference between the theoretical idea and the real-world limitations
conceptually
Focuses on the conceptual validity rather than practical feasibility.
assuming all conditions are perfect
Explicitly states the ideal conditions necessary for the theoretical outcome.
given the right circumstances
Similar to the above, but slightly less rigid and more open to unpredictable factors.
for all intents and purposes
It indicates that a statement is true in most, but not all, respects or circumstances.
FAQs
How can I use "but theoretically" in a sentence?
"But theoretically" is typically used to introduce a contrasting point that is true in theory but might not be in practice. For instance, "The plan seems foolproof, "but theoretically", unforeseen issues could arise."
What phrases are similar to "but theoretically"?
Similar phrases include "in theory", "hypothetically speaking", and "on paper". The best alternative depends on the specific context and nuance you wish to convey.
Is "but theoretically" interchangeable with "in practice"?
No, "but theoretically" is not interchangeable with "in practice". "But theoretically" introduces an idea that is valid in theory, while "in practice" refers to how something actually works in real-world situations. They often represent contrasting viewpoints.
What is the difference between "but theoretically" and "but potentially"?
"But theoretically" emphasizes a possibility based on theoretical principles, whereas "but potentially" ("but potentially") suggests a possibility that might occur depending on circumstances. The former is rooted in theory, while the latter focuses on realistic possibilities.
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