I shall be astonished vs Surprised

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

I shall be astonished

FormalTop 5,000 (fairly common)

Surprised

Top 1,000 (very common)A2adjective
Most formal: I shall be astonishedMost common: Surprised
 I shall be astonishedSurprised
Pronunciation🇬🇧 //aɪ ʃæl bi əˈstɒn.ɪʃt//🇺🇸 //aɪ ʃæl bi əˈstɔːnɪʃt//🇬🇧 /["/səˈpraɪzd/"]/🇺🇸 /["/sərˈpraɪzd/"]/
MeaningI will be very surprised.Feeling shocked or taken aback by something unexpected.
ExampleI shall be astonished to see the outcome of the project.I was surprised to see my friend at the party.
RegisterFormalNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
CEFR level-A2
Part of speechadjective
Collocationsshall be surprised, be astonished by, be utterly astonished, shall be amazed, remain astonishedappear, be, feel, extremely, fairly, very, at, by
Antonyms-unimpressed, bored, predictable
Common mistakesUsing 'will' instead of 'shall' in formal contexts., Confusing 'astonished' with 'amazed' or 'surprised' without noting intensity., Incorrectly saying 'am' instead of 'shall be' in future tense.Confusing with 'surprise' as a verb., Using it inappropriately to describe a planned event., Incorrectly using 'surprised' as a noun.
Usage notesUsed in formal contexts to express a future surprise. Not typically used in casual conversation.Use 'surprised' when describing a reaction to unexpected events. It's appropriate in both casual and formal contexts, but in very formal writing, you might choose a synonym like 'taken aback'.

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I shall be astonished
Surprised

Frequently asked questions: I shall be astonished vs Surprised

What's the difference between I shall be astonished and Surprised?

I shall be astonished: I will be very surprised. Surprised: Feeling shocked or taken aback by something unexpected.

Which is more formal: I shall be astonished and Surprised?

I shall be astonished is the most formal of these.

Which is more common: I shall be astonished and Surprised?

Surprised is the most common in everyday English.

Can you show an example of each?

I shall be astonished: I shall be astonished to see the outcome of the project. Surprised: I was surprised to see my friend at the party.

Can I use I shall be astonished and Surprised interchangeably?

Not always. I shall be astonished and Surprised 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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