FLABBERGASTED Synonyms: 70 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/flabbergasted
WebSynonyms for FLABBERGASTED: amazed, stunned, shocked, surprised, astonished, dumfounded, horrified, dumbstruck; Antonyms of FLABBERGASTED: nonchalant, unruffled, casual, blasé, blase, unimpressed, disinterested, indifferent
DA: 87 PA: 78 MOZ Rank: 7