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
assert about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "assert about" is grammatically correct and can be used in written English. It is typically used to express an opinion or belief about a particular topic or situation. Here is an example: "Many experts assert about the importance of exercise for maintaining good health."
✓ Grammatically correct
News & Media
Science
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
2 human-written examples
As a Protestant pastor, I have come to believe that what we assert about God is of no real importance to that "being".
News & Media
These restrictions limit what companies may assert about their products [ 76].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
"Basically it's S-and-M porn," Vanda bluntly asserts about the script, riling the self-important Thomas, who corrects her with a half-hidden snarl.
News & Media
Contrary to what Mr. Douthat asserts about the Vietnam War, in 1963, at American University, Kennedy stated that America would never start a war.
News & Media
The story itself was inspired by Bruce Springsteen's song "Spirit in the Night" and employs an epigraph from that song, but it is not, as Alterman asserts, "about its characters".
News & Media
David Blackmon, the Texas state committee chairman for America's Natural Gas Alliance, said that while some details needed adjusting, most companies in his group had reacted positively to the bill as a way to address the widespread concerns — misplaced, the industry asserts — about hydraulic fracturing, or fracking.
News & Media
Mr. Gore had not been honest in this campaign, Mr. Bradley and his surrogates began asserting, about his record on abortion, about his proposals for health care and gun control, about his role in campaign finance abuses by the Clinton-Gore campaign in 1996.
News & Media
Thus designating terms behave as they did before, but nothing can be truly asserted about non-designating terms.
Science
So much of what Gamergate asserted about itself was that it wanted "objectivity" in journalism, but on closer examination this turned out to mean "function-first games reviewing".
News & Media
There is very little beyond the basic facts of membership and its record of publications and conferences that can be asserted about it without courting some degree of controversy.
Science
This policy contains a list of the claim types that must be asserted about the Internet user (henceforth abbreviated to user) in order for this user to be granted the service, the IdPs that are trusted to make such assertions, and the types of security token that are acceptable to the RP.
Expert writing Tips
Best practice
When using "assert about", ensure that the statement is based on evidence or strong belief. Avoid using it for mere speculation.
Common error
Avoid using "assert about" when expressing simple opinions or preferences. Reserve it for statements that you are prepared to support with reasoning or evidence.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "assert about" is to express a strong declaration or affirmation concerning a particular subject. It's used to convey a firm belief or opinion, supported by evidence or conviction. According to Ludwig, it is grammatically correct.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "assert about" functions to express a firm belief or opinion concerning a specific subject. While grammatically correct, as noted by Ludwig, it's relatively rare in occurrence. Its usage spans both News & Media and Science domains. When employing this phrase, ensure the assertion is substantiated with evidence or strong conviction, avoiding its use for mere speculation or weak claims. Alternatives such as "state concerning" or "claim regarding" may offer nuanced options depending on the context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
declare concerning
Replaces "assert" with "declare" and "about" with "concerning", indicating a formal or official statement.
state concerning
Changes the verb to "state" and preposition to "concerning", implying a formal declaration about something.
claim regarding
Substitutes "assert" with "claim" and "about" with "regarding", suggesting a potentially disputable statement.
affirm regarding
Uses "affirm" instead of "assert" and "regarding" instead of "about", suggesting a confident or emphatic statement.
maintain in relation to
Uses "maintain" instead of "assert" and "in relation to" instead of "about", indicating a sustained belief or argument.
contend with respect to
Replaces "assert" with "contend" and "about" with "with respect to", conveying a viewpoint in a formal context.
aver concerning
Substitutes "assert" with "aver" and "about" with "concerning", conveying a formal or legal declaration.
posit concerning
Employs "posit" and "concerning" for a more academic or theoretical assertion.
profess regarding
Uses "profess" and "regarding", implying a declaration of belief or feeling.
allege in connection with
Substitutes "assert" with "allege" and "about" with "in connection with", suggesting an unproven accusation.
FAQs
How can I use "assert about" in a sentence?
You can use "assert about" to express a firm belief or opinion regarding a particular topic. For example: "Experts often assert about the long-term benefits of investing in renewable energy".
What is a good alternative to "assert about"?
Alternatives to "assert about" include "state concerning", "claim regarding", or "maintain in relation to", depending on the specific context and nuance you wish to convey.
Is it more formal to use "assert about" or "claim about"?
"Assert about" generally carries a slightly more formal tone than "claim about", suggesting a stronger conviction or basis for the statement. However, the difference is subtle and context-dependent.
When is it inappropriate to use "assert about"?
It is inappropriate to use "assert about" when presenting information as factual without any supporting evidence or when expressing a casual opinion that is not strongly held. Reserve it for situations where you are willing to defend your position.
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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested