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Showing results for ancestor.
Definitions

ancestor

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


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.

Early in the 20th century, researchers assumed lizards inherited osteoderms from a common ancestor.

From Science Daily • May 21, 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

My ancestor Billington’s great-grandchildren may not have realized it, but the impenetrable sweep of dark forest admired by Thoreau was something that Billington never saw.

From "1491" by Charles C. Mann




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