suspicious
adjective
sus·pi·cious
sə-ˈspi-shəs 
1
: tending to arouse suspicion : questionable
suspicious characters
2
: disposed to suspect : distrustful
suspicious of strangers
3
: expressing or indicative of suspicion
a suspicious glance
suspiciously
adverb
suspiciousness
noun
Synonyms of suspicious
Examples of suspicious in a Sentence
We were instructed to report any suspicious activity in the neighborhood.
The suspicious vehicle was reported to police.
Suspicious characters were seen hanging around the bank.
He found a suspicious lump on his back and was afraid it might be cancer.
Officials are suspicious about her death.
His manner made me suspicious.
Recent Examples on the Web
But the coroner did not screen Harold's blood for poisons at the time because his death was not suspicious.
—
Peter Van Sant, CBS News, 5 Apr. 2026
Also, check your bank and credit card statements for suspicious activity.
—Kurt Knutsson, FOXNews.com, 3 Apr. 2026
According to the Mayo Clinic, the primary reason for this type of operation is cancer, a goiter or suspicious nodule.
—Madeleine Marr, Miami Herald, 3 Apr. 2026
During season 2 of The Real Housewives of Salt Lake City, which aired in 2022, the cast members were sitting in the parking lot of Heather Gay's Beauty Lab + Laser spa in a sprinter van when Jen Shah received a suspicious phone call.
—Caroline Blair, PEOPLE, 2 Apr. 2026
See All Example Sentences for suspicious
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Peter Van Sant, CBS News, 5 Apr. 2026
Also, check your bank and credit card statements for suspicious activity.
—Kurt Knutsson, FOXNews.com, 3 Apr. 2026
According to the Mayo Clinic, the primary reason for this type of operation is cancer, a goiter or suspicious nodule.
—Madeleine Marr, Miami Herald, 3 Apr. 2026
During season 2 of The Real Housewives of Salt Lake City, which aired in 2022, the cast members were sitting in the parking lot of Heather Gay's Beauty Lab + Laser spa in a sprinter van when Jen Shah received a suspicious phone call.
—Caroline Blair, PEOPLE, 2 Apr. 2026
See All Example Sentences for suspicious
Cite this Entry
“Suspicious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/suspicious. Accessed 5 Apr. 2026.
Copy CitationKids Definition
suspicious
adjective
sus·pi·cious
sə-ˈspish-əs
1
: likely to arouse suspicion : questionable
suspicious behavior
2
: likely to suspect or distrust
suspicious of strangers
3
: showing suspicion
a suspicious glance
suspiciously
adverb
suspiciousness
noun
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