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[suh-spish-uh s] /səˈspɪʃ əs/
tending to cause or excite suspicion; questionable:
suspicious behavior.
inclined to suspect, especially inclined to suspect evil; distrustful:
a suspicious tyrant.
full of or feeling suspicion.
expressing or indicating suspicion:
a suspicious glance.
Origin of suspicious
1300-50; Middle English < Latin suspīciōsus, equivalent to suspīci- (see suspicion) + -ōsus -ous
Related forms
suspiciously, adverb
suspiciousness, noun
hypersuspicious, adjective
hypersuspiciously, adverb
hypersuspiciousness, noun
oversuspicious, adjective
oversuspiciously, adverb
oversuspiciousness, noun
presuspicious, adjective
presuspiciously, adverb
presuspiciousness, noun
self-suspicious, adjective
supersuspicious, adjective
supersuspiciously, adverb
supersuspiciousness, noun
unsuspicious, adjective
unsuspiciously, adverb
unsuspiciousness, noun
1. suspect, dubious, doubtful. 2. mistrustful, wary, disbelieving. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for suspiciousness
Historical Examples
  • You may think that I had been singularly lacking in suspiciousness; you may consider me even to have been an imbecile.

    The Good Soldier Ford Madox Ford
  • There was a suspiciousness about his tone that was almost insulting.

    Three Men on the Bummel Jerome K. Jerome
  • If that doesn't happen, there's a period of suspiciousness and secretiveness—strongly suggestive of paranoia.

    The Hate Disease William Fitzgerald Jenkins
  • Even their suspiciousness was but the growling of a beaten dog.

    The Job Sinclair Lewis
  • Its character for suspiciousness may be gathered from what different writers have said about it.

    The Foot-path Way Bradford Torrey
  • The intensity of my character, and the suspiciousness which it induced, helped me in this determination.

    Confession W. Gilmore Simms
  • This the suspiciousness and brutality of the doctors in the Legion renders very difficult.

    In the Foreign Legion Erwin Rosen
  • suspiciousness is natural to tyranny: spies are the agents of despots.

    Trevethlan: Volume 1 William Davy Watson
  • In point of suspiciousness their behavior is very different at different times, as, for that matter, is true of birds generally.

    Birds in the Bush Bradford Torrey
  • He talked freely, and all evidence of suspiciousness or evasiveness was absent.

British Dictionary definitions for suspiciousness


exciting or liable to excite suspicion; questionable
disposed to suspect something wrong
indicative or expressive of suspicion
Derived Forms
suspiciously, adverb
suspiciousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for suspiciousness



"deserving of or exciting suspicion," mid-14c., from Old French suspecious, from Latin suspiciosus "exciting suspicion" (see suspicion). Meaning "full of or inclined to feel suspicion" is attested from c.1400. Edgar Allan Poe (c.1845) proposed suspectful to take one of the two conflicting senses. Related: suspiciously; suspiciousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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