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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
and thirdly
Grammar usage guide and real-world examplesUSAGE 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
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
And thirdly, an increased sales opportunity.
News & Media
And thirdly, Metroland taught me a little about readers.
News & Media
And thirdly, our food culture is becoming more international.
News & Media
And thirdly, collaboration with companies is a delicate matter.
News & Media
And thirdly, what was going on at other newspapers?
News & Media
And thirdly, we want to help these refugee chefs to integrate and increase their job opportunities".
News & Media
And thirdly is to begin creating a military prepared for the dangers of a new century.
News & Media
And thirdly, multiculturalism suggests that we have a series of competing allegiances.
News & Media
And thirdly, do more in concert with us to support the Ukrainians.
News & Media
And thirdly, the practical question: how can the sale best be resisted?
News & Media
And thirdly, he's busy shaking up the London triathlon scene with his all-new members' club.
News & Media
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.
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.
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.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
thirdly
Omits the conjunction "and" for a more concise expression.
in the third place
Replaces "thirdly" with a more formal expression of the same meaning.
third in order
Emphasizes the sequential ordering of the point being introduced.
the third point is
Directly states the introduction of the third point.
also
A more general way to introduce an additional point, lacking the specific sequential indication.
furthermore
Introduces an additional point, emphasizing its supportive role to the previous ones.
moreover
Similar to "furthermore", adds an additional point with extra emphasis.
in addition
Introduces an additional point in a neutral manner, without specific ordering.
subsequently
Indicates a point that follows logically after the previous ones, though not necessarily third.
then
A simple way to indicate the next point in a sequence, lacking the formality of "thirdly".
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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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested