Suspicious \Sus*pi"cious\, a. [OE. suspecious; cf. L. suspiciosus. See Suspicion.]

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.

Source: Webster's Revised Unabridged Dictionary (1913)