1. Inclined to suspect; given or prone to suspicion; apt to imagine without proof.
Nature itself, after it has done an injury, will ever be suspicious; and no man can love the person he suspects. --South.
Many mischievous insects are daily at work to make men of merit suspicious of each other. --Pope.
2. Indicating suspicion, mistrust, or fear.
We have a suspicious, fearful, constrained countenance. --Swift.
3. Liable to suspicion; adapted to raise suspicion; giving reason to imagine ill; questionable; as, an author of suspicious innovations; suspicious circumstances.
I spy a black, suspicious, threatening could. --Shak.
Syn: -- Jealous; distrustful; mistrustful; doubtful; questionable. See Jealous.
-- Sus*pi*cious*ly, adv. -- Sus*pi*cious*ness, n.
adv : with suspicion; "she regarded the food suspiciously"