Nightmare

/ˈnaɪtˌmɛər/

nounBeginner📊CommonGeneral
2 meanings1 idiom/phrase3 questions

Definitions

2 meanings
1

A frightening or disturbing dream that typically occurs during REM sleep.

/ˈnaɪtˌmɛər/

nounnegativeBeginner
General

A frightening or unpleasant dream.

I had a terrible nightmare last night where I was lost in a dark forest.

💡 Simply: Ever had a dream so scary you woke up in a cold sweat? That's a nightmare! Like when you're chased by a giant monster or falling from a tall building.

👶 For kids: A scary dream!

More Examples

2

Her nightmare was so vivid she couldn't fall back asleep for hours.

3

He was plagued by recurring nightmares after the accident.

How It's Used

Psychology

"Nightmares are often associated with stress and anxiety."

Literature

"The protagonist experienced vivid nightmares throughout the story."

2

A highly undesirable or difficult situation; a source of great anxiety or distress.

/ˈnaɪtˌmɛər/

nounnegativemedium
Technology

A very difficult or unpleasant experience or situation.

Getting stuck in traffic during rush hour is a nightmare.

💡 Simply: When something is a real nightmare, it means it's a super difficult, annoying, or stressful situation, like when your computer crashes right before a big presentation.

👶 For kids: A really, really bad thing that's hard to deal with!

More Examples

2

The customer service experience was a total nightmare.

3

The construction project turned into a logistical nightmare.

How It's Used

Business

"The project became a nightmare due to constant delays and budget overruns."

Everyday Life

"Dealing with the bureaucracy was a complete nightmare."

Tip:Think of a situation that's as bad as a frightening dream – challenging, stressful, and unpleasant.

Idioms & expressions

a living nightmare

A situation or experience that is extremely unpleasant and difficult to endure.

"Living with that roommate was a living nightmare."

From Middle English *night mare* (evil spirit that torments people in their sleep), from Old English *niht* (night) + *mære* (incubus, evil spirit).

Historically, 'nightmare' referred to a demon thought to cause bad dreams. Its usage has expanded to describe any extremely unpleasant experience.

Memory tip

Imagine a mare (horse) appearing in your dreams at night, bringing terror and fear.

Word Origin

LanguageOld English
Original meaning

"night"

have a nightmarerecurring nightmareabsolute nightmareliving nightmare

Common misspellings

nightmerenightmairnite mare

Usage

60%Spoken
40%Written