Astonishing vs Whoa

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

Astonishing

Top 3,000 (common)B2adjective

Whoa

InformalBeyond 10,000 (less common)
Most formal: AstonishingMost common: Astonishing
 AstonishingWhoa
Pronunciation🇬🇧 /["/əˈstɒnɪʃɪŋ/"]/🇺🇸 /["/əˈstɑːnɪʃɪŋ/"]/🇬🇧 //wəʊ//🇺🇸 //woʊ//
MeaningVery surprising or amazing.An expression of surprise or excitement.
ExampleShe ran 100m in an astonishing 10.6 seconds.Whoa, that roller coaster was intense!
RegisterNeutralInformal
How commonTop 3,000 (common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechadjective
Collocationsbe, seem, find something, really, truly, absolutelyWhoa, nice!, Whoa, slow down!, Whoa, look at that!
Antonymsunimpressive, ordinary, mundanego, proceed, continue
Common mistakesUsed too casually in informal situations., Confused with 'astonished', which describes a feeling rather than something that causes astonishment., Overused in contexts where 'surprising' or 'impressive' might be more appropriate.Used in serious situations where a different expression is needed., Spelled incorrectly as 'woah' or 'whoa'., Confused with 'wow'.
Usage notesUse 'astonishing' to describe something that causes great surprise or wonder. It's suitable for both spoken and written contexts, but may be less common in casual everyday conversations.Used to express amazement or strong emotions. More common in casual conversations—avoid in formal settings.

See it in real clips

Astonishing
Whoa

Frequently asked questions: Astonishing vs Whoa

What's the difference between Astonishing and Whoa?

Astonishing: Very surprising or amazing. Whoa: An expression of surprise or excitement.

Which is more formal: Astonishing and Whoa?

Astonishing is the most formal of these.

Which is more common: Astonishing and Whoa?

Astonishing is the most common in everyday English.

Can you show an example of each?

Astonishing: She ran 100m in an astonishing 10.6 seconds. Whoa: Whoa, that roller coaster was intense!

Can I use Astonishing and Whoa interchangeably?

Not always. Astonishing and Whoa 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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