To be wary, suspicious or doubtful of (something or someone).
To be suspicious.
To have no confidence in (something or someone).
To suspect, to imagine or suppose (something) to be the case.
Lack of trust or confidence; distrust, untrust.
To be troubled; to give way to mental anxiety or doubt.
To harass; to irritate or distress.
To touch repeatedly, to fiddle with.
To seize or shake by the throat, especially of a dog or wolf.
Disturb the peace of mind of; afflict with mental agitation or distress.
A strong feeling of anxiety.
An instance or cause of such a feeling.
A person who causes worry.