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Definitions

ancestor

[an-ses-ter, -suh-ster] / ˈæn sɛs tər, -sə stər /


Example Sentences

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Sideways walking appears to have evolved just once, originating from a forward-walking ancestor at the base of Eubrachyura, a group that includes more advanced crabs.

From Science Daily • May 2, 2026

Humans share a surprisingly strange ancestor with all other vertebrates.

From Science Daily • Apr. 27, 2026

Humans, chimps and bonobos share a common ancestor going back 7 million years or so.

From Salon • Apr. 23, 2026

The hedge-born man conceived in a hookup under the hawthorn bushes in 17th-century Britain was the direct linguistic ancestor of today’s naked short-sellers.

From The Wall Street Journal • Apr. 21, 2026

“One time my daddy saw his ancestor who’d been dead a hundred years,” I said, stubborn.

From "Cold Sassy Tree" by Olive Ann Burns




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