To relax; to act less seriously.
To become loose; to loosen; to relax (a muscle, etc.).
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.