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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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and thirdly

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "and thirdly" is correct and usable in written English.
It is typically used to introduce the third point in a list or series of arguments or items. Example: "We need to consider the budget, the timeline, and thirdly, the resources required for the project."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

And thirdly, an increased sales opportunity.

News & Media

The Guardian

And thirdly, Metroland taught me a little about readers.

And thirdly, our food culture is becoming more international.

And thirdly, collaboration with companies is a delicate matter.

News & Media

The Guardian

And thirdly, what was going on at other newspapers?

News & Media

The Economist

And thirdly, we want to help these refugee chefs to integrate and increase their job opportunities".

News & Media

The Guardian

And thirdly is to begin creating a military prepared for the dangers of a new century.

News & Media

The New York Times

And thirdly, multiculturalism suggests that we have a series of competing allegiances.

And thirdly, do more in concert with us to support the Ukrainians.

News & Media

The Guardian

And thirdly, the practical question: how can the sale best be resisted?

News & Media

The Guardian

And thirdly, he's busy shaking up the London triathlon scene with his all-new members' club.

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Expert writing Tips

Best practice

While grammatically correct, consider if "thirdly" alone provides a more concise and stylistically modern alternative.

Common error

Avoid using "and thirdly" without a preceding "firstly" and "secondly", as this disrupts the logical flow of information.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "and thirdly" functions as a conjunctive adverbial phrase, primarily used to introduce the third item, argument, or point in a sequence. As evidenced by Ludwig, it explicitly signals a continuation of a previously established listing order.

Expression frequency: Very common

Frequent in

News & Media

37%

Science

26%

Formal & Business

13%

Less common in

Academia

12%

Encyclopedias

6%

Reference

6%

Ludwig's WRAP-UP

In summary, "and thirdly" is a grammatically sound and frequently used phrase to introduce the third item in a sequence. As Ludwig AI affirms, it serves to structure discourse and clarify the order of points. While slightly more formal than simply "thirdly", it maintains a neutral register suitable for news, business, and academic contexts. When employing "and thirdly", ensure a preceding "firstly" and "secondly" for optimal coherence. Consider "thirdly", "in the third place" or other listed alternatives for stylistic variation, always being careful to maintain clarity and logical progression in your writing.

FAQs

How can I use "and thirdly" in a sentence?

Use "and thirdly" to introduce the third point in a series. For example: "We need to address the budget, the timeline, and thirdly, the resources."

What are some alternatives to "and thirdly"?

Alternatives include "thirdly", "in the third place", or simply stating the third point directly.

Is it necessary to use "and" before "thirdly"?

The "and" is optional but can provide a smoother transition in some contexts. Using just "thirdly" is also grammatically correct.

What's the difference between "secondly" and "and thirdly"?

"Secondly" introduces the second point, while "and thirdly" introduces the third. Ensure you use them in sequential order for clarity.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: