Bizarre vs That's unusual

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

Bizarre

Top 2,000 (common)C1adjective

That's unusual

Top 2,000 (common)
 BizarreThat's unusual
Pronunciation🇬🇧 /["/bɪˈzɑː(r)/"]/🇺🇸 /["/bɪˈzɑːr/"]/🇬🇧 //ðæts ʌnˈjuːʒəl//🇺🇸 //ðæts ʌnˈjuːʒəl//
MeaningVery strange or unusual.That's not normal or expected.
Examplea bizarre situation/incident/storyI saw a cat wearing a hat, and that's unusual.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1-
Part of speechadjective
Collocationsbe, look, seem, extremely, fairly, verythat's unusual response, that's unusual behavior, that's unusual circumstance
Antonymsnormal, usual, commonnormal, typical, usual
Common mistakesConfused with 'peculiar' — both mean strange, but 'peculiar' can imply a sense of uniqueness., Using 'bizarre' to describe regular events, it should be reserved for things that are unusually strange., Spelling mistakes like 'bizzarre' instead of 'bizarre'.Using inappropriately in formal writing., Mispronouncing as 'that is unusual'., Confusing with 'that's normal' when reacting.
Usage notesUse 'bizarre' to describe things that are very odd or out of the ordinary. It's neutral, so it's appropriate in most contexts but may sound less formal in academic or serious writing.Use in conversations to express surprise or curiosity. Suitable in both casual and formal contexts, but may sound too blunt in very formal settings.

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That's unusual

Frequently asked questions: Bizarre vs That's unusual

What's the difference between Bizarre and That's unusual?

Bizarre: Very strange or unusual. That's unusual: That's not normal or expected.

Can you show an example of each?

Bizarre: a bizarre situation/incident/story That's unusual: I saw a cat wearing a hat, and that's unusual.

Can I use Bizarre and That's unusual interchangeably?

Not always. Bizarre and That's unusual 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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