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
suspect of this
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "suspect of this" is not correct in standard written English.
It may be intended to convey doubt or suspicion regarding a specific matter, but the construction is awkward and unclear. Example: "I am suspect of this claim, as it lacks sufficient evidence."
⚠ May contain grammatical issues
News & Media
Science
Wiki
Alternative expressions(3)
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
3 human-written examples
Since peptic ulcer disease (PUD) is a rarely seen entity in patients who consult to the emergency service with complaints of abdominal pain, most of the physicians do not suspect of this clinical diagnosis.
Yet, as helpful as it may be to know your affliction by giving it a label, I'm highly suspect of this tendency to dumb down our symptoms to a simple (and rather artificially constructed) diagnostic category.
News & Media
They also believe that the attack might have been carried out by a local drug-dealing group in Los Cabos; the main suspect of this allegation is a man named Javier López Rivera or Javier Acosta López (alias "El Javier" and/or "El Javi"), the supposed leader of this crime cell.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
"You don't leave someone suspected of this kind of crime in the classroom".
News & Media
"I'm asking God to watch over all of us, and the last thing the family is asking is that we as a community do not go retaliate against the family or the suspects of this crime".
News & Media
It should also advertise the $25 million reward for information leading to Osama bin Laden's arrest and provide a credible means for the Afghan people to assist the United States in apprehending those suspected of this carnage.
News & Media
We reviewed the evidence about the accuracy of I-MIBG-imaging and F-FDG-PET-imaging for the detection of a neuroblastoma in children suspected of this disease.
Thus far, China and North Korea lead the list of nations the experts in touch with At War suspect of being behind this system.
News & Media
I'm suspect of shit like this being pandering, but if it works it works.
News & Media
I will let him know we suspect him of this theft.
News & Media
"I suspect all of this will be brought to our doorstep very soon".
News & Media
Expert writing Tips
Best practice
Prefer using "suspicious of this" or "doubtful about this" for clearer and more grammatically accepted expressions of doubt. While the phrase "suspect of this" does appear in some sources, it's not considered standard English.
Common error
Avoid using "suspect" directly before "of". It's more common and grammatically correct to use "suspicious" as the adjective (e.g., "I am suspicious of this claim").
Source & Trust
84%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "suspect of this" functions as an attempt to express doubt or suspicion regarding a specific matter. However, according to Ludwig AI, the construction is not standard English. It aims to link the act of suspecting to a particular subject.
Frequent in
News & Media
33%
Science
33%
Wiki
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
While "suspect of this" appears in some contexts, it is generally considered grammatically incorrect and uncommon. Ludwig AI suggests that standard alternatives like "suspicious of this" or "doubtful about this" are preferable for clearer communication. The phrase aims to express doubt or disbelief, but its non-standard construction makes it less suitable for formal or professional settings. When in doubt, opt for more conventional phrasing to ensure clarity and grammatical correctness. "Suspect of this" is not correct in standard written English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
suspicious of this
Replaces "suspect" with "suspicious", a more grammatically standard adjective in this context.
doubtful about this
Uses "doubtful" to convey uncertainty, changing the preposition to "about".
questioning this
Employs "questioning" to express doubt or skepticism, altering the verb and preposition.
skeptical of this
Substitutes "suspect" with "skeptical", which carries a similar meaning of disbelief.
unsure about this
Uses "unsure" to indicate a lack of certainty, requiring a change in preposition.
have doubts about this
Expresses uncertainty using the phrase "have doubts", changing the structure significantly.
I suspect this
Rephrases to a more direct statement of suspicion, removing the need for a preposition.
I doubt this
Simply states disbelief, using the verb "doubt" directly.
I am wary of this
Uses "wary" to convey caution and suspicion, changing the structure of the sentence.
I am dubious of this
Replaces "suspect" with "dubious", indicating uncertainty or hesitance.
FAQs
What's a more grammatically sound alternative to "suspect of this"?
Consider using "suspicious of this" or "doubtful about this" as they adhere to standard English grammar rules.
In what contexts might I encounter the phrase "suspect of this"?
While not standard, you might find "suspect of this" in informal writing or speech, though it's advisable to opt for clearer alternatives in formal contexts.
How does "suspect of this" differ from "suspect this"?
"Suspect this" directly implies disbelief or doubt, while "suspect of this" attempts to link suspicion to a specific object or idea, but does so in a grammatically unconventional way. A better alternative would be "I "suspect this""
Is it ever correct to say "suspect of this"?
While some sources use the phrase, it is generally considered grammatically incorrect. Opt for alternatives like "suspicious of this" or "doubtful about this" for clarity and correctness.
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
84%
Authority and reliability
3.2/5
Expert rating
Real-world application tested