To cause (mental) suffering to; to distress.
To toss back and forth; to agitate; to disquiet.
To twist, to weave.
To annoy, irritate.
Disturb the peace of mind of; afflict with mental agitation or distress.
To harass; to irritate or distress.
To touch repeatedly, to fiddle with.
To be troubled; to give way to mental anxiety or doubt.
To seize or shake by the throat, especially of a dog or wolf.
A strong feeling of anxiety.
An instance or cause of such a feeling.
A person who causes worry.