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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.

She was astonished to discover that a quarter of her corporate clients had been infected with the Kimwolf software.

From The Wall Street Journal • Apr. 3, 2026

The development is expected to displace 130 bat roosts but Reform UK county councillor, Vernon Smith, said he was astonished by the cost of the project.

From BBC • Mar. 30, 2026

Grospiron for his part said he was "astonished" by a question from a senator as to whether he would also be resigning.

From Barron's • Feb. 25, 2026

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

From The Wall Street Journal • Feb. 22, 2026

We stared at the television in astonished silence for what seemed several minutes.

From "The Secret History" by Donna Tartt

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.