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Definitions

astonished

[uh-ston-isht] / əˈstɒn ɪʃt /
ADJECTIVE
aghast
Synonyms
STRONGEST
agog amazed anxious appalled awestruck dismayed shocked stunned
WEAK
afraid agape alarmed astounded confounded dumbfounded frightened horror-struck overwhelmed startled terrified thunderstruck
Antonyms
WEAK
unsurprised
ADJECTIVE
bewildered
Synonyms
STRONGEST
awed baffled befuddled dazed mystified perplexed puzzled rattled shocked startled stunned surprised
STRONG
addled appalled astounded dazzled disconcerted dizzy dumbfounded flabbergasted floored flustered lost misled muddled reeling staggered stumped stupefied thrown
WEAK
agape aghast agog awe-struck bowled over dumbstruck flipped-out giddy in a dither punchy shook-up speechless taken aback thunderstruck uncertain unglued
Antonyms
STRONGEST
aware
STRONG
clear
WEAK
oriented understanding
ADJECTIVE
bowled over
Synonyms
WEAK
amazed dumbfounded dumbstruck flabbergasted floored knocked for a loop shocked staggered thunderstruck
ADJECTIVE
dumbfounded
Synonyms
STRONG
amazed bamboozled beat bewildered buffaloed confounded dismayed flabbergasted floored knocked licked nonplused overcome overwhelmed puzzled shocked staggered startled stuck stumped stunned surprised thrown
WEAK
agape aghast blown-away bowled over breathless dumb speechless taken aback thunderstruck
Antonyms
STRONG
aware
WEAK
expectant unsurprised
ADJECTIVE
dumbstruck
Synonyms
WEAK
amazed astounded blown-away dumbfounded flabbergasted jolted rendered speechless startled stunned stupefied
ADJECTIVE
shocked
Synonyms
STRONGEST
aghast amazed appalled dismayed offended stunned
STRONG
astounded upset
ADJECTIVE
shocked
Synonyms
STRONGEST
aghast appalled dismayed frightened
STRONG
appalling degrading humiliating jarred shocking stupefied
WEAK
deplorable infra dig opprobrious percussive squeamish ugly vulgar
Antonyms
STRONG
comforting
ADJECTIVE
stunned
Synonyms
STRONGEST
amazed bewildered confused dismayed floored overwhelmed shocked speechless startled surprised
STRONG
astounded confounded dumbfounded flabbergasted frozen numb overcome stumped stupefied
WEAK
aghast blown-away bowled over breathless taken aback
Antonyms
STRONGEST
clear oriented understanding
ADJECTIVE
stupefied
Synonyms
STRONG
amazed astounded bewildered confounded confused dismayed dumbfounded flabbergasted floored frozen numb overcome overwhelmed puzzled shocked startled stumped stunned surprised
WEAK
blown-away bowled over breathless speechless taken aback
Antonyms
STRONG
aware clear oriented understanding unsurprised
ADJECTIVE
surprised
Synonyms
STRONGEST
bewildered dazed frightened shocked startled stunned
STRONG
alarmed astounded confounded stupefied
Antonyms
WEAK
aware calm poised unsurprised
ADJECTIVE
zonked
Synonyms
WEAK
amazed dazed dumbfounded groggy thunderstruck unconscious
ADVERB
agape
Synonyms
STRONG
open yawning
WEAK
ajar awestruck confounded overwhelmed shocked staring

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When AI became a buzzword in the past few years, I was astonished at the seemingly educated and intelligent people who sounded the alarm: AI is going to destroy us all!

From The Wall Street Journal • Apr. 23, 2026

She also said she "felt astonished by the whole evening" and couldn't believe some of the famous faces cheering her on as she accepted her award.

From BBC • Apr. 12, 2026

I was astonished that he totally pulled it off and he’s such a true filmmaker.

From Los Angeles Times • Apr. 8, 2026

Americans are likely be astonished at how grievances from centuries ago seem like fresh insults.

From The Wall Street Journal • Feb. 22, 2026

When Faro returned that day, I was astonished and puzzled about where he had been.

From "Z for Zachariah" by Robert C. O’Brien

Vocabulary lists containing astonished

Emotions on Display

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In the Mood? 100 Words to Describe Emotions

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ACT Reading Test: Words to Capture Tone, List 2

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!