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.
Distress.
A pressing; a force applied to a surface.
The amount of force that is applied over a given area divided by the size of this area; force per unit area.
A contrasting force or impulse of any kind
Urgency
To encourage or heavily exert force or influence.