Synonyms of astonish

astonish

verb

ə-ˈstä-nish 

as in to amaze

to make a strong impression on (someone) with something unexpected

the news that you and she broke up absolutely astonishes me

Synonyms & Similar Words

• amaze
• surprise
• stun
• shock
• startle
• astound
• dumbfound
• stupefy
• flabbergast
• rock
• bewilder
• perplex
• take by surprise
• take aback
• thunderstrike
• befuddle
• bowl over
• disconcert
• confuse
• floor
• nonplus
• discomfit
• confound
• shake up
• dismay
• daze
• blindside
• blow away
• muddle
• jar
• knock for a loop

Synonym Chooser

How does the verb astonish contrast with its synonyms?

Some common synonyms of astonish are amaze, astound, flabbergast, and surprise. While all these words mean "to impress forcibly through unexpectedness," astonish implies surprising so greatly as to seem incredible.

a discovery that astonished the world

When is amaze a more appropriate choice than astonish?

While the synonyms amaze and astonish are close in meaning, amaze suggests an effect of bewilderment.

amazed by the immense size of the place

When is it sensible to use astound instead of astonish?

While in some cases nearly identical to astonish, astound stresses the shock of astonishment.

too astounded to respond

Where would flabbergast be a reasonable alternative to astonish?

In some situations, the words flabbergast and astonish are roughly equivalent. However, flabbergast may suggest thorough astonishment and bewilderment or dismay.

flabbergasted by his angry refusal

In what contexts can surprise take the place of astonish?

The meanings of surprise and astonish largely overlap; however, surprise stresses causing an effect through being unexpected but not necessarily unusual or novel.

surprised to find them at home

Example Sentences

Recent Examples of astonish

Organizers had been expecting a cozy little affair, but were astonished when more than 1,300 people from around the world signed up to participate. — David MacK, CNN Money, 28 June 2026

Meloni is astonished and defiant Trump’s posturing underscored how his alliance with Meloni — who has long been seen as one of his closest friends in Europe — has frayed over his war in Iran, his tariffs against Europe and his complaints when anyone disagrees with him. — Nicole Winfield, Los Angeles Times, 19 June 2026

They’d be astonished, delighted. — Literary Hub, 17 June 2026

Fernando Meirelles and Kátia Lund's film feels like a good novel, with art, crime, love, and squalor all intersecting in a cohesive story that manages to astonish. — Eric Farwell, Entertainment Weekly, 12 June 2026