Nightmare: S are dreams that

Nightmares are dreams that are scary or disturbing. The themes of nightmares vary widely from person-to-person, but common themes include being chased, falling, or feeling lost or trapped. A trusted reference in the field of psychology, offering more than 25,000 clear and authoritative entries. Learn the meaning of nightmare as a noun and an adjective, and see how to use it in sentences. Find out the difference between nightmare and night terror, and explore related words and phrases. By the 14th century the mare was also known as nightmare , and by the late 16th century nightmare was also being applied to the feelings of distress caused by the spirit, and then to frightening or unpleasant dreams.