Thesaurus
Synonyms & Antonyms of flabbergasted
(Entry 1 of 2)
1
affected with sudden and great wonder or surprise
- was flabbergasted when we heard she was moving out of the state
Synonyms for flabbergasted
- amazed,
- astonished,
- astounded,
- awestruck
- (also awestricken),
- bowled over,
- dumbfounded
- (also dumfounded),
- dumbstruck,
- shocked,
- stunned,
- stupefied,
- thunderstruck
Words Related to flabbergasted
- blindsided,
- startled,
- surprised
- (also surprized)
Near Antonyms for flabbergasted
- blasé
- (also blase),
- casual,
- nonchalant,
- unruffled
2
filled with amazement or wonder
- responded to the news of his arrival with a flabbergasted gasp
Synonyms for flabbergasted
- amazed,
- astonished,
- astounded,
- awed,
- awestruck
- (also awestricken),
- dumbfounded
- (also dumfounded),
- marveling
- (or marvelling),
- openmouthed,
- wondering
Words Related to flabbergasted
Near Antonyms for flabbergasted
flabbergasted
verbpast tense of flabbergast
Synonyms of flabbergasted (Entry 2 of 2)
to make a strong impression on (someone) with something unexpected
- your decision to suddenly quit your job flabbergasts me
Synonyms for flabbergasted
- amazed,
- astonished,
- astounded,
- bowled over,
- dumbfounded
- (also dumfounded),
- floored,
- rocked,
- shocked,
- startled,
- stunned,
- stupefied,
- surprised
- (also surprized),
- thunderstruck
Words Related to flabbergasted
- befuddled,
- bewildered,
- blew away,
- blindsided,
- confounded,
- confused,
- dazed,
- discomfited,
- disconcerted,
- dismayed,
- jarred,
- muddled,
- nonplussed
- (also nonplused),
- perplexed,
- shook up
Phrases Synonymous with flabbergasted
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Words of Snow and Ice Quiz
- Which of the following refers to thin, bending ice, or to the act of running over such ice?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Words of Snow and Ice Quiz
A selection of words from the chillier parts of t...
Take the quizName that Thing: Toys and Games Edition
It's all fun and games until someone beats your h...
Take the quizTrue or False?
Test your knowledge - and maybe learn something a...
Take the quizSCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share flabbergasted
Time Traveler for flabbergasted
The first known use of flabbergasted was in 1773
See more words from the same year