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
this is suspect
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this is suspect" is correct and usable in written English.
It can be used when expressing doubt or concern about the validity or reliability of something. Example: "The sudden change in the report's figures raises a red flag; this is suspect."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
As industrial policy, this is suspect; measured against the government's environmental boasts, it is incomprehensible.
News & Media
Others thought that after his illness he was mad; however, much evidence of this is suspect and some e.g., that he made his horse consul is untrue.
Encyclopedias
"The timing of this is suspect because it is political or it is so late as to demonstrate incompetence," Mr. Green said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
This is suspected of being part of a new effort by North Korea to produce nuclear weapons.
News & Media
This is suspected to be the cause of low quality coffee beans encountered by traders.
This is suspected to be an artifact of the two-dimensional test system that was used in this hypothetical analysis.
This is suspected to be due to increased inter-voxel correlation that is introduced when using PSF-based algorithms [21].
Science
This is suspected for a number of reasons.
News & Media
If this is suspected, it should be aggressively treated with a fluid challenge.
Science
If this is suspected withdraw the trial medication from the patient.
Science
They will be invited to participate in the screening process when diagnosed with BPD or when this is suspected.
Science
Expert writing Tips
Best practice
Use "this is suspect" when you want to express a reasoned doubt based on available evidence, rather than a gut feeling. Provide context or supporting information to strengthen your claim and avoid ambiguity.
Common error
While grammatically sound, "this is suspect" can sound overly formal or dramatic in casual conversations. Opt for alternatives like "that seems fishy" or "something's not right here" in informal settings.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is suspect" functions as a statement expressing doubt or skepticism about something. It indicates that a particular aspect raises concerns about its validity, reliability, or truthfulness. As Ludwig AI suggests, the phrase is grammatically correct and usable.
Frequent in
News & Media
50%
Science
33%
Encyclopedias
17%
Less common in
Formal & Business
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "this is suspect" is a grammatically correct expression used to convey doubt or skepticism. Ludwig AI confirms its validity and usability in written English. While not overly common, it finds its place in various contexts, primarily News & Media, Science, and Encyclopedias. When using this phrase, it's advisable to provide context and ensure it aligns with the formality of the situation. Consider alternatives like "this seems doubtful" or "this appears questionable" for similar meanings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this seems doubtful
Replaces "suspect" with "doubtful", emphasizing uncertainty about the truth or reliability of something.
this appears questionable
Uses "questionable" instead of "suspect", suggesting that something raises doubts or concerns.
this looks dubious
Employs "dubious" in place of "suspect", highlighting the uncertainty and potential dishonesty of something.
this raises suspicion
Shifts from an adjective to a verb phrase, focusing on the act of creating doubt or distrust.
this is open to doubt
Expresses that something is not certain and can be questioned or challenged.
this is viewed with skepticism
Highlights the act of being skeptical, suggesting a cautious and questioning approach.
this inspires mistrust
Focuses on the emotional response of lacking trust in something.
this gives cause for concern
Shifts the focus to the negative implications or potential problems associated with something.
there are reasons to doubt this
Emphasizes the existence of specific factors that lead to uncertainty or disbelief.
this warrants investigation
Suggests that something requires further examination or scrutiny due to its questionable nature.
FAQs
What does "this is suspect" mean?
The phrase "this is suspect" means that something appears doubtful, questionable, or untrustworthy. It suggests that there are reasons to believe that something might not be genuine or accurate.
How can I use "this is suspect" in a sentence?
You can use "this is suspect" to express your doubt or concern about something. For example, "The timing of this announcement "is suspect", given the ongoing investigation."
What are some alternatives to "this is suspect"?
Some alternatives to "this is suspect" include "this seems doubtful", "this appears questionable", or "this looks dubious", depending on the specific nuance you want to convey.
When is it appropriate to use "this is suspect" versus "this is suspicious"?
"This is suspect" often implies a reasoned assessment based on evidence, whereas "this is suspicious" might suggest a gut feeling or intuition. While similar, "suspect" can carry a slightly more formal or analytical tone than "suspicious".
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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested