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Definition of thunderhead

thunderhead

/ˈθʌn.dɚˌhɛd/
thun · der · head
Plural:thunderheads
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thunderhead Lexical Profile

thunderhead Game Scores & Validity

• noun

1

North American A dense, towering cumulonimbus cloud or its rounded, anvil-shaped upper mass, often heralding a thunderstorm.

Example

"A massive thunderhead built up over the western horizon on that humid summer afternoon."

Synonyms
View all synonyms for thunderhead

• Rhymes for thunderhead

• Nearby Words

thunderbolt
thunderclap
thundercloud
thunderhead
thundering
thunderingly
thunderous

Word Origin & Etymology

First recorded in the late 18th century as an American English compound of "thunder" and "head," referring to the towering, rounded upper portion of a developing cumulonimbus storm cloud.

Cite this Entry

Wordmom. (2026). Definition of Thunderhead. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thunderhead
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