suspicious

adjective

sus·​pi·​cious sə-ˈspi-shəs How to pronounce suspicious (audio)
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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Customers are also encouraged to report any suspicious messages to our 24/7 customer service team or by clicking on ‘report an issue’ which is included in the chat function. Davey Winder, Forbes, 14 Mar. 2025 After all, Burt’s intentions have been suspicious all season. Ben Travers, IndieWire, 14 Mar. 2025 Collins is heading for a reckoning with coastal moderates who may have given her a pass in 2020 but will be more suspicious now. Chris Stirewalt, The Hill, 14 Mar. 2025 In a message sent out to families, the Raytown School District said a student reported suspicious activity of another student, which led to the discovery of a weapon. Kendrick Calfee, Kansas City Star, 12 Mar. 2025 See All Example Sentences for suspicious

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of suspicious was in the 14th century

Browse Nearby Words

Cite this Entry

“Suspicious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/suspicious. Accessed 23 Mar. 2025.

Kids Definition

suspicious

adjective
sus·​pi·​cious sə-ˈspish-əs How to pronounce suspicious (audio)
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

More from Merriam-Webster on suspicious

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!