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

Definition of suspicious

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

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Other Words from suspicious

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.
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Recent Examples on the Web And a prideful state, long suspicious of regulation and outside help, was left to seek aid from other states and humanitarian groups as many of its 29 million people grasped for survival. Nomaan Merchant,, "How a winter storm pushed Texas into a power, political crisis: ‘Who set up this system?’," 21 Feb. 2021 The incident began when police responded to reports of a suspicious man with a bow and arrow in the town of Oppenau who was squatting in a garden house. Zachary Halaschak, Washington Examiner, "'Black Forest Rambo' gets jail time," 19 Feb. 2021 Now, to me, that’s a desperate enough impetus for, say, reaching out and accepting a suspicious new friend’s weirdo gym invitation. Rose Maura Lorre, Vulture, "Behind Her Eyes Recap: Days of Our Lies," 17 Feb. 2021 Rob and Adele become close friends, and it's hinted that Rob is in love with Adele or at least very suspicious of David's intentions with her. Neha Prakash, Marie Claire, "The Ending of 'Behind Her Eyes,' Explained," 17 Feb. 2021 Armchair detectives passed the suspicious video along to their friends online. Shannon Carlin,, "The Uncomfortable History Behind The Viral Video From Netflix’s The Vanishing at the Cecil Hotel," 15 Feb. 2021 What started out as a suspicious person near a Calera business ended up with a suspect and five police officers in near-freezing water late Sunday night. Carol Robinson |, al, "5 Alabama police officers rescue intoxicated suspect from lake near Chick-fil-A," 15 Feb. 2021 But because the mutation appears in a gene that influences how the virus enters human cells, the scientists are highly suspicious. Carl Zimmer,, "7 virus variants found in US carrying the same mutation," 14 Feb. 2021 San Antonio police are investigating a suspicious item at the Haven For Hope campus. Mark Dunphy, San Antonio Express-News, "San Antonio police investigating suspicious item at Haven For Hope," 11 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'suspicious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of suspicious

14th century, in the meaning defined at sense 1

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Time Traveler for suspicious

Time Traveler

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

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Statistics for suspicious

Last Updated

24 Feb 2021

Cite this Entry

“Suspicious.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2021.

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More Definitions for suspicious



English Language Learners Definition of suspicious

: causing a feeling that something is wrong or that someone is behaving wrongly : causing suspicion
: having or showing a feeling that something is wrong or that someone is behaving wrongly : feeling or showing suspicion


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

Kids Definition of suspicious

1 : likely to arouse suspicion suspicious actions
2 : likely to distrust or be distrustful Trolls are … mighty suspicious about anything new to them.— J. R. R. Tolkien, The Hobbit
3 : showing distrust a suspicious glance

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