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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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theoretically

Grammar usage guide and real-world examples

USAGE SUMMARY

The word 'theoretically' is correct and usable in written English.
It basically means that something is true or possible in theory, but not necessarily in practice. It can be used to express doubt or uncertainty about a particular situation, or to suggest that something is possible but not necessarily proven. For example: "Theoretically, if we invested in solar energy, we could reduce our energy costs."

✓ Grammatically correct

News & Media

Formal & Business

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

But it might not actually be that I want your knowledge: I want whoever is the best authority on this to help me, and Evernote theoretically knows that, and could figure out who knows the most about the thing that I'm writing and automatically get access to those people's knowledge".

Public broadcasting in America, such as NPR and PBS, is theoretically paid for by the tax payer but in reality is now funded by both public and private monies.

If love is reducible to physical systems, then these systems can, theoretically, be manipulated.

Of the starting XI, only four of them played three days earlier, in what is theoretically your strongest side: the goalkeeper, two full-backs and a defensive midfielder.

Had Harding sought out the independent directors they could theoretically have blocked him from being sacked – but it is not clear how any editor of the Times or Sunday Times could function without the support of the proprietor.

News & Media

The Guardian

Indeed, it bends simplistic laws of time and space by swallowing even things that theoretically predate it.

Theoretically, problematic tweets get automatically flagged, and then manual review should catch them before they are published.

Related: Real Madrid 7-3 Getafe | La Liga match report There are certainly enough options to make a reasonable argument that United's more glaring issue this summer will not theoretically be replacing De Gea but planning for the other end of the pitch and how to compensate for the fact that all three of their main strikers are, to varying degrees, on the wane.

"When I went over to say something to him, he sort of said something in their language and I said: 'Speak English because if you're going to say something, understand that theoretically I cannot speak Hindi'," he said.

For the early part of Pink Floyd's career, Thorgerson and Powell – who traded as Hipgnosis – were theoretically answerable to an EMI staff member called Ron Dunton: as Powell later recalled, "this big, jolly fat man who was in charge of the album cover department".

After three or four jokes - most barbed about fellow politicians, particularly those theoretically closest to him - he would get round to talk about current events.

News & Media

The Guardian
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Expert writing Tips

Best practice

Use "theoretically" to introduce ideas that are true in principle but might not hold up in practice. This adds nuance and demonstrates critical thinking.

Common error

Avoid using "theoretically" to make claims that are wildly impractical or unrealistic. Ground your theoretical statements in some degree of plausibility to maintain credibility.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The adverb "theoretically" functions as a qualifier, modifying verbs or adjectives to indicate that something is true or possible in theory but not necessarily in practice. As confirmed by Ludwig, the term introduces a degree of uncertainty or speculation.

Expression frequency: Very common

Frequent in

News & Media

36%

Formal & Business

32%

Science

32%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "theoretically" is a versatile adverb used to qualify statements and introduce a degree of uncertainty, speculation, or possibility. Ludwig AI affirms that its grammatical function involves acting as a qualifier. It is frequently found in news, business, and scientific contexts, indicating its broad applicability across various registers. When employing "theoretically", ensure that the theoretical possibility has some basis in reality to prevent overstatement, and it is crucial to consider related phrases like "in theory" or "hypothetically" to diversify your writing. Overall, understanding when and how to use "theoretically" can enhance the precision and nuance of your communication.

FAQs

How can I use "theoretically" in a sentence?

You can use "theoretically" to introduce ideas or possibilities that exist in theory but might not be true or practical in reality. For instance, "theoretically it should work", but we haven't tested it yet.

What are some alternatives to using "theoretically"?

Depending on the context, you could use alternatives like "in theory", "hypothetically", or "on paper" to convey a similar meaning.

Is it correct to say "theoretical" instead of "theoretically"?

"Theoretical" is an adjective, while "theoretically" is an adverb. Use "theoretical" to describe something related to theory (e.g., "theoretical physics") and "theoretically" to modify a verb or adjective (e.g., "theoretically possible").

What's the difference between "theoretically" and "actually"?

"Theoretically" suggests something is true in theory but may not be in practice, while "actually" indicates what is true in reality. They often contrast each other, as in: "Theoretically it works, but actually it doesn't".

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Most frequent sentences: