suspicious Meaning in the Cambridge English Dictionary
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Meaning of “suspicious” in the English Dictionary

"suspicious" in British English

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suspiciousadjective

uk   us   /səˈspɪʃ.əs/

suspicious adjective (SEEM GUILTY)

B2 making you ​feel that something ​illegal is ​happening or that something is ​wrong: Her ​behaviour was very suspicious. The ​fire at the ​bank is being ​treated as suspicious. It's a little suspicious that no one ​knows where he was at the ​time of the ​murder. There were some suspicious ​charactershanging around ​outside. There's a suspicious-lookingvanparked at the end of the ​street. His new ​bookbears a suspicious ​resemblance to a ​book written by someone ​else. (= His ​book is so ​similar to the other ​book that it ​seems as if he has ​copied it.)
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suspicious adjective (DOUBT)

B2 feelingdoubt or no ​trust in someone or something: His ​colleaguesbecame suspicious (= ​thought that there was something ​wrong) when he did not ​appear at ​work, since he was always ​punctual. They are deeply/​highly (= very) suspicious of one another/of each other's ​motives. My ​mother has a very suspicious ​nature (= does not ​trustpeople).
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(Definition of suspicious from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"suspicious" in American English

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suspiciousadjective

 us   /səˈspɪʃ·əs/

suspicious adjective (FEELING DOUBT)

feelingdoubt or a ​lack of ​trust: Many of the ​workers were suspicious of the ​laboragreement.

suspicious adjective (FEELING SOMEONE IS GUILTY )

making you ​feel that something ​illegal is ​happening or that something is ​wrong: Last night’s ​fire at the ​bank is being ​treated as suspicious. Neighbors were ​asked if they had ​noticed anything suspicious.
(Definition of suspicious from the Cambridge Academic Content Dictionary © Cambridge University Press)
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