Definition of suspicious in English:


Line breaks: sus|pi¦cious
Pronunciation: /səˈspɪʃəs


  • 1Having or showing a cautious distrust of someone or something: he was suspicious of her motives she gave him a suspicious look
    More example sentences
    • No wonder people are suspicious of politicians and the political process.
    • In fact he was suspicious of any technological advance that might weaken the ‘master race’.
    • She is suspicious of doctors and nurses and takes her medication only episodically.
    doubtful, unsure, dubious, wary, chary, sceptical, distrustful, mistrustful, disbelieving, having reservations, apprehensive, cynical, jaundiced
    informal iffy
  • 1.1Causing one to have the idea or impression that someone or something is questionable, dishonest, or dangerous: they are not treating the fire as suspicious
    More example sentences
    • The death was initially treated as suspicious and Hardy was questioned.
    • I actually think there is something suspicious in the idea from the start.
    • You mentioned the suspicious package was left in front of that precinct building.
    disreputable, unsavoury, dubious, suspect, guilty-looking, dishonest-looking, strange-looking, queer-looking, funny-looking, slippery
    informal shifty, shady
    British informal dodgy
    questionable, odd, strange, dubious, irregular, queer, funny, doubtful, not quite right, under suspicion, mysterious, murky, dark, criminal, dishonest, corrupt
    informal fishy, shady, dodgy
  • 1.2Having the belief or impression that someone is involved in an illegal or dishonest activity: police were called when staff became suspicious
    More example sentences
    • A firm in the USA became suspicious about the activities of an employee.
    • As someone who works in the unions, what do you tell activists who are suspicious about the union movement?
    • As the scam unfolded that night in the studio, production staff became suspicious.



[as submodifier]: it’s suspiciously cheap
More example sentences
  • They stopped by my taster display of crystallised ginger and eyed it suspiciously.
  • I know of others where suspiciously cheap jars of Iranian caviar can still sometimes be bought.
  • People in the town are being urged to be vigilant and report immediately anyone they see acting suspiciously.


More example sentences
  • Another couple shared the cab with us, all of us casting our New York-trained suspiciousness of strangers to the winds.
  • As individual paranoia involves the ‘irrational suspiciousness and distrustfulness of others,’ so too does news media thrive on the next big terror.
  • I recognise the imperial shelteredness, the island suspiciousness, the old-world cultivation of private hopes and habits which leave the status quo alone.


Middle English: from Old French suspicious, from Latin suspiciosus, from suspicio(n-) (see suspicion).

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Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little