View definitions for ancestor


noun as in predecessor in family

Discover More

Example Sentences

An analysis of molecular alterations in mitochondrial DNA samples indicated that two maternal lineages had split from a common ancestor between about 86,000 and 22,000 years ago.

Eventually alien biologists in these places might concern themselves with a tree of life incorporating multiple planetary incubators, and their genome-mapping companies would tell you who your planetary ancestors were.

None of the matings in any of the generations are between individuals with a common ancestor.

While BigDog is the ancestor of later four-legged robots, like Spot, Petman preceded the two-legged Atlas robot.

Proof that the handedness of particles really can mutate microbes would strengthen their case that cosmic rays shoved our ancestors off the evolutionary starting block, but it still wouldn’t fully explain the uniform chirality of life on Earth.

There is also a mysterious Moomin ancestor who lives permanently in the stove.

Natives from all over the New World could host a great celebration to honor their oldest ancestor.

It is possible to name an ancestor to this obsessive-compulsive noir: David Lynch.

Soon after he was seen stumping for the Assad regime in his ancestor's conflagrated homeland.

Schiele is, if nothing else, an ancestor of the best in long-legged fashion illustration.

He married the widow of —— Bradley, and was the ancestor of the baronets of Caversham, extinct in 1774.

There could not, indeed, be stronger evidence that man has descended from a quadruped ancestor.

In an occasional horse the long-lost stripes of the zebra-like ancestor reappear.

As regards the pointed ear of man's probable ancestor, Darwin calls attention to what seems a trace in man of the lost tip.

This is by no means to suggest that some one of the existing anthropoid apes is the direct ancestor of man.


On this page you'll find 41 synonyms, antonyms, and words related to ancestor, such as: forebear, forefather, founder, antecedent, ascendant, and foremother.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.