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Definitions

ancestor

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


Example Sentences

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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

Lystrosaurus, a tough, plant-eating ancestor of mammals, became one of the dominant species after the End-Permian Mass Extinction around 252 million years ago.

From Science Daily • Apr. 14, 2026

He had no human ancestor and he was himself only half human.

From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton




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