Incredible vs What a world

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

Incredible

Top 1,000 (very common)A2adjective

What a world

InformalTop 5,000 (fairly common)
Most formal: IncredibleMost common: Incredible
 IncredibleWhat a world
Pronunciation🇬🇧 /["/ɪnˈkredəbl/"]/🇺🇸 /["/ɪnˈkredəbl/"]/🇬🇧 //wɒt ə wɜːld//🇺🇸 //wɑt ə wɜrld//
MeaningVery surprising or hard to believe.An expression of surprise or disbelief about life or a situation.
ExampleThe magician's tricks were absolutely incredible!When I saw the price of that luxury car, I thought, 'What a world!'
RegisterNeutralInformal
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelA2-
Part of speechadjective
Collocationsbe, seem, sound, really, truly, absolutely, to, be, seem, sound, really, truly, absolutely, towhat a surprise, what a life, what a moment
Antonymsordinary, common, unremarkable-
Common mistakesUsing 'incredible' as a noun instead of an adjective., Confusing 'incredible' with 'incredulous' (which means unable to believe)., Overusing 'incredible' to describe everyday situations.Using it too seriously; it's meant to be light-hearted., Mispronouncing the phrase or not emphasizing the 'what'., Not using it in appropriate situations where surprise is evident.
Usage notesUse 'incredible' to describe something amazing or extraordinary. It is appropriate in both casual and serious contexts, but avoid it in overly formal writing."What a world" is often used to comment on surprising or outrageous events. It's informal, so avoid using it in formal contexts.

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Incredible
What a world

Frequently asked questions: Incredible vs What a world

What's the difference between Incredible and What a world?

Incredible: Very surprising or hard to believe. What a world: An expression of surprise or disbelief about life or a situation.

Which is more formal: Incredible and What a world?

Incredible is the most formal of these.

Which is more common: Incredible and What a world?

Incredible is the most common in everyday English.

Can you show an example of each?

Incredible: The magician's tricks were absolutely incredible! What a world: When I saw the price of that luxury car, I thought, 'What a world!'

Can I use Incredible and What a world interchangeably?

Not always. Incredible and What a world 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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