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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
suspicious activity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "suspicious activity" is grammatically correct and commonly used in written English.
It can be used to describe behavior or actions that are considered questionable or potentially harmful. Example: "The security guard reported suspicious activity near the back entrance of the building."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(20)
shady activity
questionable activity
unusual activity
doubtful activity
fishy behavior
odd behavior
dubious conduct
irregular conduct
anomalous behavior
strange activity
uncertain activity
dubious activity
suspicious activities
suspicious information
alarming behavior
alarming attitude
appalling behavior
shocking behavior
murky business
shady dealings
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
In addition, none reported suspicious activity.
News & Media
The defence ministry appealed for information on any suspicious activity.
News & Media
And there are signs the suspicious activity continues.
News & Media
Prosecutors are also mining suspicious activity reports filed by HSBC.
News & Media
Your online searching can be monitored for suspicious activity.
News & Media
Though legal, the action should have triggered reports of suspicious activity by the bank.
News & Media
Sergeant Urquhart said residents were urged to call 911 to report any suspicious activity.
News & Media
Security officers observed what looked like suspicious activity in Fike's sport utility vehicle.
News & Media
An announcement during ferry runs asks passengers to report suspicious activity to a crew member.
News & Media
An announcement during ferry runs asks passengers to report any suspicious activity to a crew member.
News & Media
The most recent satellite images of the Kilju show that the suspicious activity has subsided.
News & Media
Expert writing Tips
Best practice
When documenting "suspicious activity", ensure the report is objective and based on factual observations rather than personal opinions or biases.
Common error
Avoid reporting activity solely based on someone's appearance, ethnicity, or other personal characteristics. Focus on the behavior itself and whether it poses a legitimate threat.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "suspicious activity" functions as a noun phrase, where "suspicious" modifies the noun "activity". Ludwig's AI affirms its grammatical correctness and common usage. It generally serves as the subject or object of a sentence when describing questionable actions.
Frequent in
News & Media
75%
Wiki
15%
Formal & Business
5%
Less common in
Science
2%
Academia
2%
Reference
1%
Ludwig's WRAP-UP
In summary, "suspicious activity" is a common and grammatically sound phrase used to describe actions that appear questionable or potentially illegal. As affirmed by Ludwig, it functions as a noun phrase and is most frequently encountered in news and media contexts. When using the phrase, providing specific details is key to accurate reporting. While alternatives like "shady activity" or "unusual activity" exist, "suspicious activity" remains a widely recognized and understood term for describing potentially harmful or illegal behaviors.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
suspect activity
Employs "suspect" as a direct synonym for "suspicious", indicating something is not as it seems.
shady activity
Replaces "suspicious" with "shady", implying a lack of transparency or honesty.
questionable activity
Substitutes "suspicious" with "questionable", suggesting the activity is doubtful or uncertain.
unusual activity
Replaces "suspicious" with "unusual", focusing on the deviation from the norm.
doubtful activity
Uses "doubtful" instead of "suspicious", indicating uncertainty about the activity's legitimacy.
fishy behavior
Uses "fishy" to describe the behavior, suggesting something is amiss or deceitful.
odd behavior
Substitutes "suspicious" with "odd", highlighting the strangeness of the actions.
dubious conduct
Uses "dubious" and "conduct" for a more formal and critical tone.
irregular conduct
Replaces both words with more formal synonyms, indicating behavior that doesn't follow rules.
anomalous behavior
Employs more technical terms to describe a deviation from expected actions.
FAQs
How can I use "suspicious activity" in a sentence?
You can use "suspicious activity" to describe actions that seem unusual or potentially illegal. For example, "The witness reported "suspicious activity" near the bank at midnight."
What is considered "suspicious activity"?
"Suspicious activity" can include a wide range of behaviors, such as loitering, unusual surveillance, or attempts to gain unauthorized access. The key is that the activity is out of the ordinary and raises concern.
What can I say instead of "suspicious activity"?
You can use alternatives like "shady activity", "questionable activity", or "unusual activity" depending on the context.
Should I always report "suspicious activity" to the authorities?
If you observe activity that makes you genuinely concerned for safety or security, it's generally best to report it to the appropriate authorities. Provide as much detail as possible without putting yourself at risk.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested