An unpleasant person, especially one who makes things difficult for others.
A police spy or informer.
To stop.
To annoy or irritate.
To serve or behave as a spy or informer.
To complain.
To watch; to observe.
Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure.
A very bad or frightening dream.
A feeling of extreme anxiety or suffocation experienced during sleep; Sleep paralysis.
To have a nightmare.