'Suspiciously' definitions:

Definition of 'suspiciously'

adverb

With suspicion; "she regarded the food suspiciously"

From: GCIDE

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. [1913 Webster]
Nature itself, after it has done an injury, will ever be suspicious; and no man can love the person he suspects. --South. [1913 Webster]
Many mischievous insects are daily at work to make men of merit suspicious of each other. --Pope. [1913 Webster]
2. Indicating suspicion, mistrust, or fear. [1913 Webster]
We have a suspicious, fearful, constrained countenance. --Swift. [1913 Webster]
3. Liable to suspicion; adapted to raise suspicion; giving reason to imagine ill; questionable; as, an author of suspicious innovations; suspicious circumstances. [1913 Webster]
I spy a black, suspicious, threatening could. --Shak. [1913 Webster]
Syn: Jealous; distrustful; mistrustful; doubtful; questionable. See Jealous. [1913 Webster] -- {Sus*pi"cious*ly}, adv. -- {Sus*pi"cious*ness}, n. [1913 Webster]