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Nightmare

Podcast 1 · Introduction

Nightmare /ˈnaɪtmɛə/ · noun

A short documentary narration — meaning, origin, and how the word is used.

In this course, a nightmare is a frightening dream, or a terrible experience. The related entry for nightwatchman gives a related word, and the Cambridge definition of nightmare and the Merriam-Webster entry for nightmare give the main sense. For more background, see the encyclopaedia article on nightmare.

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Podcast 2 · Daily Use

In Conversation

Two British speakers using "nightmare" naturally in everyday talk.

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Podcast 3 · Prompt Engineering

Prompting with "nightmare"

An instructor and developer explore real, copy-ready AI prompts built around the word.

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Transcript: “Nightmare” vocabulary micro-course

Read along with the three podcasts, or open the full dictionary entry for Nightmare for the definition, Arabic meaning, synonyms and example sentences.

Podcast 1 — Introduction & meaning

Narrator: Today's word is "Nightmare" — noun, pronounced /ˈnaɪtmɛə/, with the stress on "night".

Narrator: A nightmare is a frightening dream, or a terrible or distressing experience.

Narrator: In plain English, a nightmare is a bad dream — or a nightmare situation in real life.

Narrator: It comes from the Old English niht, meaning night, and mare, meaning an evil spirit or demon.

Narrator: "A nightmare dream" describes a frightening and distressing dream.

Narrator: It differs from dream because nightmare is frightening, whereas dream is general.

Narrator: "A nightmare of" is a figurative sense meaning a terrible or distressing experience.

Narrator: Psychology, sleep, medicine, description and everyday speech all rely on the word nightmare.

Narrator: So remember: a nightmare is a bad dream, from the Old English for night and evil spirit.

Read podcasts 2 and 3

Podcast 2 — In conversation

Speaker A: What is a nightmare?

Speaker B: A bad dream! NIGHTMARE comes from the Old English niht, night, and mare, an evil spirit, so it means a frightening dream or terrible experience.

Speaker A: So a nightmare is a scary dream?

Speaker B: Yes — or a bad situation!

Speaker A: Example sentences?

Speaker B: "A nightmare dream"; "a nightmare of"; "a nightmare scenario" — dream, experience and situation.

Speaker A: Common mistakes?

Speaker B: Don't confuse nightmare with night terror, because a nightmare is a bad dream, while a night terror is a sleep disorder with fear.

Speaker A: Close relatives?

Speaker B: 'Dream' the general cousin, 'terror' the fear twin, 'ordeal' the experience alternative. The word keeps its frightening charm!

Podcast 3 — Prompt engineering

Speaker B: Let's use "nightmare" in AI prompts — useful for psychology apps and sleep tools.

Speaker A: So a prompt could frame psychology?

Speaker B: Right. For a psychology app, you'd write:

Prompt: Write a short guide to nightmares, naming two causes.

Speaker A: How about a sleep tool?

Speaker B: Ask the model to advise:

Prompt: Draft a guide to preventing nightmares, naming two tips.

Speaker A: Could it help with a writing bot?

Speaker B: Yes, you can frame description:

Prompt: Summarise in two sentences how to describe a nightmare, naming one detail.

Speaker A: One more?

Speaker B: For a health chatbot, try this:

Prompt: Write a short note on recurring nightmares, naming one cause.