Frightening vs That's spooky

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

Frightening

Top 3,000 (common)B1adjective

That's spooky

InformalTop 2,000 (common)
Most formal: FrighteningMost common: That's spooky
 FrighteningThat's spooky
Pronunciation🇬🇧 /["/ˈfraɪtnɪŋ/"]/🇺🇸 /["/ˈfraɪtnɪŋ/"]/🇬🇧 //ðæts ˈspuːki//🇺🇸 //ðæts ˈspuːki//
Meaningcausing fear or worryThat is scary or creepy.
Examplea frightening experience/prospect/thoughtThe old mansion looks really spooky at night.
RegisterNeutralInformal
How commonTop 3,000 (common)Top 2,000 (common)
CEFR levelB1-
Part of speechadjective
Collocationsbe, feel, look, extremely, fairly, very, for, tospooky atmosphere, spooky sounds, spooky stories, spooky season
Antonymscomforting, reassuring, pleasantThat's normal, That's ordinary, That's comforting, That's boring
Common mistakesConfusing 'frightening' with 'frightened' (the feeling vs. the cause)., Using 'frightening' as an adverb incorrectly., Overusing 'frightening' when a less intense word like 'scary' is appropriate.Using in formal settings where a more serious tone is required., Mispronouncing 'spooky' as 'spookey'., Overusing in everyday conversations; can sound exaggerated.
Usage notesUse 'frightening' to describe things that induce fear, especially in neutral contexts. Avoid using it in overly formal writing; 'alarming' may be more suitable there.Used casually in conversations, especially when something is eerie or unsettling. Not appropriate for serious or formal discussions.

See it in real clips

Frightening
That's spooky

Frequently asked questions: Frightening vs That's spooky

What's the difference between Frightening and That's spooky?

Frightening: causing fear or worry That's spooky: That is scary or creepy.

Which is more formal: Frightening and That's spooky?

Frightening is the most formal of these.

Which is more common: Frightening and That's spooky?

That's spooky is the most common in everyday English.

Can you show an example of each?

Frightening: a frightening experience/prospect/thought That's spooky: The old mansion looks really spooky at night.

Can I use Frightening and That's spooky interchangeably?

Not always. Frightening and That's spooky 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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