A very bad or frightening dream.
Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure.
A feeling of extreme anxiety or suffocation experienced during sleep; Sleep paralysis.
To have a nightmare.
An impractical dreamer.
Someone who has positive ideas about the future.
Someone who has visions; a seer.
imaginary or illusory
having vision or foresight
idealistic or utopian
prophetic or revelatory