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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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but unless

Grammar usage guide and real-world examples

USAGE SUMMARY

"but unless" is a perfectly grammatical and correct construction that can be used in written English.
An example sentence would be: "I would like to take the day off, but unless something urgent comes up, I plan to stay at work."

✓ Grammatically correct

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

This is but 90 days.

News & Media

Forbes

All but 2? All but 1? All?

News & Media

The New York Times

But 12 DOZEN are.

News & Media

The New York Times

But 27 places?

News & Media

The New York Times

"But 24 years ago?

News & Media

The New York Times

But 48 hours after?

News & Media

The New York Times

But 6'5" will do.

News & Media

The New York Times

But 14 years?

News & Media

Independent

But 53 people?

News & Media

The New York Times

But 28 is not enough.

News & Media

The New York Times

But 900 pages on paper?

Encyclopedias

Britannica
Show more...

Expert writing Tips

Best practice

Use "but unless" to introduce a secondary condition that slightly softens a preceding statement. Make sure the two clauses connected by "but unless" are logically related to create a coherent sentence.

Common error

Avoid using "but unless" in overly complex sentences where simpler conjunctions like "except if" or "only if" would improve clarity and readability. Simplicity often enhances impact.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

60%

Authority and reliability

3.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "but unless" functions as a conditional conjunction, linking two clauses where the second clause (introduced by "unless") presents a condition that affects the validity or outcome of the first clause. Despite its grammatical correctness according to Ludwig AI, its infrequent use suggests that simpler alternatives are often preferred.

Expression frequency: Missing

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

In summary, "but unless" is a grammatically valid construction used to introduce a conditional exception. While Ludwig AI confirms its correctness, its usage is infrequent, suggesting alternative phrases like "except if" or "only if" may be preferred for clarity and conciseness. When employing "but unless", ensure it logically connects two related clauses and consider whether simpler alternatives would enhance readability. It's a nuanced conjunction best reserved for situations where a specific conditional exception needs clear articulation. Remember that the phrase's rarity does not diminish its grammatical correctness, as stated by Ludwig.

FAQs

How can I use "but unless" in a sentence?

Use "but unless" to introduce a condition that acts as an exception to a previous statement. For example, "I will go to the party, but unless I finish my work, I will be late".

What can I say instead of "but unless"?

You can use alternatives like "except if", "except when", or "but only if" depending on the context.

Is it redundant to use "but unless"?

While not strictly redundant, "but unless" can sometimes be replaced by a simpler construction like "except if" for improved clarity. The choice depends on the nuance you wish to convey.

What's the difference between "but unless" and "only if"?

"Only if" introduces the sole condition under which something will occur, whereas "but unless" presents a condition that prevents or modifies a previous statement. "Only if" is more restrictive than "but unless".

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: