American Dictionary

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Definition thunderbolt in American English

thunderbolt noun

[countable] noun
/ˈθʌndərˌboʊlt/
1

a sound of thunder together with a single flash of lightning that hits something, for example a tree or a building

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1.1

a weapon of thunder and lightning believed to be used by a god to punish people

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2

something very surprising or shocking, especially a piece of news

Synonyms and related words
Definition thunderbolt in American English