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
thus first of all
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'thus first of all' is correct and usable in written English.
You can use it to emphasize the importance of something, especially as the first step or priority in a list or sequence of actions. For example: "Thus first of all, we need to ensure that all safety protocols are followed."
✓ Grammatically correct
Science
News & Media
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
7 human-written examples
The objective of this work is thus first of all, to refine the model parameters based on the Bayes' theorem and subsequently estimate the uncertainties on parameters/responses during reflood phase.
Science
Thus, first of all, instantaneous velocity and piston displacement have to be investigated.
Thus, first of all, we should describe statistically how it evolved, as stated in Introduction.
Science
Thus, first of all, it is necessary to provide the logistic regression cost function, given by [15] Jleft alpha right) = y cdot log left(,{f_{alpha} left(x right)} right) - left({1 - y} right) cdot log left({1 - f_{alpha} left(x right)} right) (27).
Thus, first of all, it is essential to find a system of α-hydroxyphosphonates and phosphates giving crystalline compounds.
Thus, first of all, we explored the presence of factors reported in the literature as related to the process evaluation of an intervention to manage stress in the workplace (namely, the company's ability to plan and manage the process, training, OSH professionals and workers' involvement, possibility of combining tailored and contextualized tools, etc).
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
The understanding of ArA biosynthesis pathway in M. incisa, thus, is first of all for the improvement of ArA level.
Science
Thus, we checked, first of all, if WTX is commonly expressed in CRCs and especially in the patients carrying T5-repeats in their WTX-genes.
Science
Thus, two-thirds of all fractures in childhood and adolescence occur in youngsters who break bones repeatedly, and these children often experience their first fracture before they are teenagers.
The resulting average distances were corrected by Jukes-Cantor method, accounting only for transversions and thus two thirds of all possible substitutions.
Science
Thus, one-third of all traditional medicines in use are for the treatment of wounds and skin disorders, which is a very high figure as compared to only 1 3%% of modern drugs [ 5].
Expert writing Tips
Best practice
Use "thus first of all" to clearly signal the initial and most important step in a logical argument or process. It provides emphasis and sets the stage for subsequent points.
Common error
Avoid using "thus first of all" too frequently, as it can make your writing sound repetitive. Vary your introductory phrases to maintain reader engagement.
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "thus first of all" functions as an adverbial connector. It introduces a statement that is both a logical consequence of previous information (thus) and the initial point in a series (first of all). Ludwig AI confirms its correct usage.
Frequent in
Science
71%
News & Media
14%
Formal & Business
14%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "thus first of all" serves as a connector, signaling both a logical consequence and the initial point in a sequence. As confirmed by Ludwig AI, it's grammatically correct and suitable for formal writing, primarily in scientific and business contexts. Its purpose is to emphasize the importance of an initial step. While effective, avoid overuse to prevent redundancy. Consider simpler alternatives in informal settings. Ludwig's examples show that the phrase is often used to introduce a foundational principle or action that is critical for subsequent steps in a process or argument.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
for this reason, initially and foremost
Highlights the cause and stresses the initial and most significant aspect.
consequently, to begin with
Uses "consequently" for logical sequence and "to begin with" for initiation.
as a result, as a primary matter
Expresses consequence and then highlights the most important issue.
accordingly, in the first place
Employs "accordingly" for a result and "in the first place" to denote priority.
therefore, initially
Replaces "thus first of all" with simpler adverbs indicating consequence and beginning.
in consequence, as a starting point
Similar to the original but uses slightly more formal language.
hence, primarily
Substitutes with adverbs suggesting deduction and main focus.
and so, principally
Combines a conjunction with an adverb indicating the main aspect.
so, above all
Replaces with a simpler conjunction and a phrase emphasizing supreme importance.
in this way, fundamentally
Indicates a method and the essential nature of something.
FAQs
How can I use "thus first of all" in a sentence?
Use "thus first of all" to introduce the most important or initial point you want to make. For example, "Thus first of all, we must secure funding for the project."
What is a simpler alternative to "thus first of all"?
You could use alternatives like "therefore initially", "hence primarily", or "consequently to begin with" for a less formal tone.
Is it redundant to use "thus" and "first of all" together?
While both words separately indicate a beginning or consequence, using them together emphasizes the importance of the initial step. Consider whether this emphasis is necessary for your context.
Can "thus first of all" be used in informal writing?
While grammatically correct, "thus first of all" is generally more appropriate for formal writing. Simpler alternatives are often preferred in informal contexts.
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
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested