suspicious

[ suh-spish-uhs ]
/ səˈspɪʃ əs /

adjective

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.

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Origin of suspicious

1300–50; Middle English < Latin suspīciōsus, equivalent to suspīci- (see suspicion) + -ōsus -ous

SYNONYMS FOR suspicious

2 mistrustful, wary, disbelieving.

OTHER WORDS FROM suspicious

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for suspiciousness

British Dictionary definitions for suspiciousness

suspicious
/ (səˈspɪʃəs) /

adjective

exciting or liable to excite suspicion; questionable
disposed to suspect something wrong
indicative or expressive of suspicion

Derived forms of suspicious

suspiciously, adverbsuspiciousness, 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