After watching the horror movie, she had a nightmare about monsters chasing her.
A situation or experience that is intensely distressing or horrifying.
The car accident turned into a nightmare for everyone involved.
Anything that is extremely difficult or frustrating.
Planning the wedding became a nightmare when the venue canceled at the last minute.
Etymology
The term 'nightmare' originates from the combination of 'night' and 'mare', where 'mare' refers to a mythological demon or goblin that tormented people while they slept.
Common Phrases and Expressions
waking nightmare
A situation that is almost as nightmarish as a bad dream but occurs in real life.
nightmare scenario
A hypothetical situation that could result in disaster.
living a nightmare
Experiencing an ongoing series of distressing events.
Related Words
dream
A series of thoughts, images, or emotions occurring during sleep.
terror
An intense fear.
dread
Anticipate with great apprehension or fear.
Slang Meanings
A real pain or burden in a situation.
Dealing with that paperwork is such a nightmare.
A difficult experience, often used in casual conversation.
The exam was a total nightmare; I wasn't prepared at all.