Nightmare vs Scare

When to use each in English, with meaning, register, and examples.

Nightmare

Top 2,000 (common)B2noun

Scare

Top 1,000 (very common)B2verb
Most common: Scare
 NightmareScare
Pronunciation🇬🇧 /["/ˈnaɪtmeə(r)/"]/🇺🇸 /["/ˈnaɪtmer/"]/🇬🇧 /["/skeə(r)/","/skeəz/","/skeəd/","/ˈskeərɪŋ/"]/🇺🇸 /["/sker/","/skerz/","/skerd/","/ˈskerɪŋ/"]/
MeaningA very bad dream that makes you feel scared or worried.to make someone feel afraid
ExampleAfter watching that horror movie, I had a nightmare about being chased by monsters.You scared me.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB2B2
Part of speechnounverb
Collocationsawful, horrible, terrible, have, suffer, suffer from, haunt somebody, plague somebody, nightmare about, awful, horrible, real, endure, face, live, be over, come true, scenario, vision, worldreally, easily, away, try to, want to, start to, into, with, scare somebody silly, scare somebody stiff, scare somebody to death, really, easily, away, try to, want to, start to, into, with, scare somebody silly, scare somebody stiff, scare somebody to death
Antonymsdream, wondercalm, comfort, soothe
Common mistakesConfusing nightmare with daydream., Using nightmare in place of dream without context., Mispronouncing it as 'night-mayer'.Using 'scare' without an object, e.g., 'scare me' instead of 'scare me with a story'., Confusing 'scare' with 'scared', where 'scared' describes a state of fear rather than the action of causing fear., Mispronouncing it as 'scar' instead of 'scare'.
Usage notesUse 'nightmare' to describe scary dreams or difficult experiences. It is usually neutral but can be used informally. Avoid using it in formal contexts.Use 'scare' in contexts where someone is frightened. It can be informal in casual conversations but remains neutral overall. Avoid using it in formal writing.

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Nightmare

Frequently asked questions: Nightmare vs Scare

What's the difference between Nightmare and Scare?

Nightmare: A very bad dream that makes you feel scared or worried. Scare: to make someone feel afraid

Which is more common: Nightmare and Scare?

Scare is the most common in everyday English.

Are Nightmare and Scare the same CEFR level?

Nightmare: B2, Scare: B2 on the CEFR scale.

What part of speech are Nightmare and Scare?

Nightmare: noun, Scare: verb.

Can you show an example of each?

Nightmare: After watching that horror movie, I had a nightmare about being chased by monsters. Scare: You scared me.

Can I use Nightmare and Scare interchangeably?

Not always. Nightmare and Scare are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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