Definition of "flabbergast" in Englisch

verb

(transitive) To overwhelm with bewilderment; to amaze, confound, or stun, especially in a ludicrous manner.
- He was flabbergasted to find that his work had been done for him before he began.
- Her stupidity flabbergasts me, and I have to force myself to keep a straight face while she explains her beliefs.
- The oddity of the situation was so flabbergasting I couldn’t react in time for anyone to see it.

noun

(countable) An awkward person.
(uncountable) Overwhelming confusion, shock, or surprise.
- His flabbergast was so great he couldn’t even come up with a plausible answer.