Sinister vs That mountain is evil

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

Sinister

FormalTop 5,000 (fairly common)B1adjective

That mountain is evil

Top 5,000 (fairly common)
Most formal: Sinister
 SinisterThat mountain is evil
Pronunciation🇬🇧 //ˈsɪnɪstə//🇺🇸 //ˈsɪnɪstɚ//🇬🇧 //ˈiːvəl//🇺🇸 //ˈiːvəl//
MeaningSomething bad or evil that causes worry.The mountain has a bad or scary quality.
ExampleThe sinister music in the movie made me feel anxious.That mountain is evil; it seems to watch over the valley.
RegisterFormalNeutral
How commonTop 5,000 (fairly common)Top 5,000 (fairly common)
CEFR levelB1-
Part of speechadjective
Collocationssinister plan, sinister smile, sinister characterevil spirit, evil deeds, evil influence, evil eye, evils of society
Antonymsbenevolent, harmless, kind-
Common mistakesUsed interchangeably with 'mysterious' without understanding the negative connotation., Confused with 'sinisterly', the adverb form, when trying to describe actions.Confusing 'evil' with 'bad' or 'ugly', Using 'evil' too casually in non-serious scenarios, Not recognizing the metaphorical use of 'evil' in context
Usage notesUse 'sinister' to describe a feeling or an atmosphere that seems threatening or evil. It is more common in formal contexts.Used to describe something that feels threatening or dangerous. Can be whimsical in a story or serious in a context discussing nature's dangers.

See it in real clips

Sinister
That mountain is evil

Frequently asked questions: Sinister vs That mountain is evil

What's the difference between Sinister and That mountain is evil?

Sinister: Something bad or evil that causes worry. That mountain is evil: The mountain has a bad or scary quality.

Which is more formal: Sinister and That mountain is evil?

Sinister is the most formal of these.

Can you show an example of each?

Sinister: The sinister music in the movie made me feel anxious. That mountain is evil: That mountain is evil; it seems to watch over the valley.

Can I use Sinister and That mountain is evil interchangeably?

Not always. Sinister and That mountain is evil 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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