thunderbolt

noun

thun·​der·​bolt ˈthən-dər-ˌbōlt How to pronounce thunderbolt (audio)
1
a
: a single discharge of lightning with the accompanying thunder
b
: an imaginary elongated mass cast as a missile to earth in the lightning flash
2
a
: a person or thing that resembles lightning in suddenness, effectiveness, or destructive power
b
: a vehement threat or censure

Examples of thunderbolt in a Sentence

He was struck dead by a thunderbolt.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The news hit Cadrez like a thunderbolt. Troy Renck, Denver Post, 1 Sep. 2025 Zeus could launch thunderbolts but also couldn’t keep his trousers on. Tomas Chamorro-Premuzic, Forbes.com, 25 Aug. 2025 His debut came like a thunderbolt in 1962’s Billy Budd, directed by Peter Ustinov. Daniel Ross Goodman, The Washington Examiner, 22 Aug. 2025 And many of them stuck with it, giving some new thunderbolt—like, say, a Caitlin Clark—a solid base to expand. Sean Gregory, TIME, 25 Feb. 2025 See All Example Sentences for thunderbolt

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of thunderbolt was in the 15th century

Browse Nearby Words

Cite this Entry

“Thunderbolt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thunderbolt. Accessed 8 Sep. 2025.

Kids Definition

thunderbolt

noun
thun·​der·​bolt ˈthən-dər-ˌbōlt How to pronounce thunderbolt (audio)
: a flash of lightning and the thunder that follows it

More from Merriam-Webster on thunderbolt

Last Updated: - Updated example sentences
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