whereupon
Americanconjunction
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upon what or upon which.
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at or after which.
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Archaic. upon what?
adverb
Etymology
Origin of whereupon
First recorded in 1300–50, whereupon is from the Middle English word wherupon. See where, upon
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She climbs on his back, whereupon the deceitful Zeus abducts her, bearing her westward across the waters toward Crete.
From The Wall Street Journal ● Aug. 21, 2026
Trump announced last month the closure of the Kennedy Center for renovations starting July 4, "whereupon we will simultaneously begin Construction of the new and spectacular Entertainment Complex," he wrote on his Truth Social platform.
From Barron's ● Mar. 16, 2026
It’s relevant only after a state has brought its own case, whereupon the Justice Department has to consider whether that prosecution serves the federal interest.
From Los Angeles Times ● Aug. 9, 2024
A finely focused electron beam splits the gas molecules, whereupon parts of them change into a solid state and adhere to the desired location.
From Science Daily ● Jan. 17, 2024
His servants shrank from the sacrilege when he ordered them to fell it; whereupon he seized an ax himself and attacked the mighty trunk around which the dryads used to hold their dances.
From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
