I don't believe it vs No way vs That's unbelievable

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

I don't believe it

InformalTop 2,000 (common)

No way

InformalTop 2,000 (common)

That's unbelievable

Top 2,000 (common)
Most formal: That's unbelievable
 I don't believe itNo wayThat's unbelievable
Pronunciation🇬🇧 //aɪ dəʊnt bɪˈliːv ɪt//🇺🇸 //aɪ doʊnt bɪˈliv ɪt//🇬🇧 //nəʊ weɪ//🇺🇸 //noʊ weɪ//🇬🇧 //ðæts ˌʌnˈbiːləvəbl//🇺🇸 //ðæts ˌʌnˈbiːləvəbəl//
MeaningI think this is not true.A phrase used to express disbelief or refusal.It's hard to believe; it's shocking.
ExampleWhen she told me she won the lottery, I said, 'I don't believe it!'You won the lottery? No way!When she won the lottery, I thought, 'That's unbelievable!'
RegisterInformalInformalNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 2,000 (common)
CollocationsI can't believe it, I really don't believe it, I just don't believe itno way in hell, no way out, no way to tellThat's unbelievable news, That's unbelievable behavior, That's unbelievable luck
Antonymsbelieve it, accept it--
Common mistakesConfusing with 'I can't believe it' which expresses stronger emotions., Using it in formal contexts where a more polite expression is needed.Using 'no way' in formal situations like essays or presentations., Mixing with more formal expressions like 'absolutely not'.Used in negative situations instead of positive ones., Saying 'This is unbelievable' instead of 'That's unbelievable' in conversations., Confusing with 'That's incredible' which has a more positive connotation.
Usage notesBest used in informal conversations to express disbelief or surprise. Not suited for formal situations or written contexts.Use 'no way' in casual conversations to show strong disagreement or surprise. It's suited for informal contexts, not appropriate in formal writing.Commonly used in casual conversation to express surprise or disbelief. Avoid in overly formal settings.

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I don't believe it
No way
That's unbelievable

Frequently asked questions: I don't believe it vs No way vs That's unbelievable

What's the difference between I don't believe it, No way, and That's unbelievable?

I don't believe it: I think this is not true. No way: A phrase used to express disbelief or refusal. That's unbelievable: It's hard to believe; it's shocking.

Which is more formal: I don't believe it, No way, and That's unbelievable?

That's unbelievable is the most formal of these.

Can you show an example of each?

I don't believe it: When she told me she won the lottery, I said, 'I don't believe it!' No way: You won the lottery? No way! That's unbelievable: When she won the lottery, I thought, 'That's unbelievable!'

Can I use I don't believe it, No way, and That's unbelievable interchangeably?

Not always. I don't believe it, No way, and That's unbelievable 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.