Meaning & use

ancestor

noun·Everyday

Last updated

UK/ˈænsestə/
US/ˈænsestər/

Meanings

  1. nouncountable

    A person in your family who lived long ago, usually further back than a grandparent.

    Grammar: Countable; often used in the plural: 'my ancestors came from Ireland.'

    Patterns

    • ancestor of someone
    • ancestors from a place
    • distant ancestor

    Her ancestors moved to Canada from Scotland in the 1800s.

    We traced our ancestors back five generations.

    He looks exactly like a portrait of his great-great-grandfather, one of his distant ancestors.

  2. nouncountablefigurative

    An early version of something that later developed into a more modern form.

    Grammar: Used for objects, machines, or ideas, not people: 'the ancestor of the smartphone.'

    Patterns

    • ancestor of something
    • the direct ancestor of something

    The mechanical calculator was an ancestor of the modern computer.

    This simple tool is the ancestor of today's power drill.

  3. nouncountablebiologytechnical

    An animal or plant species from which later species evolved.

    Grammar: Used in biology; often followed by 'of': 'the ancestor of all birds.'

    Patterns

    • common ancestor
    • ancestor of a species

    Scientists believe dinosaurs are the ancestors of modern birds.

    All dogs share a common ancestor with wolves.

Word forms

pluralancestors

Common combinations

common ancestor
Humans and apes share a common ancestor.
distant ancestor
A distant ancestor of mine fought in the war.
trace your ancestors
She used a website to trace her ancestors.
ancestors came from
My ancestors came from a small village in Italy.
direct ancestor
This fish is a direct ancestor of land animals.

Synonyms and how they differ

forebear
More formal and literary than 'ancestor'; often used in historical writing.
forefather
Usually refers to male ancestors and sounds slightly old-fashioned or solemn.
predecessor
Used for earlier versions of things or people in a job, not for family members.

Opposites

Word family

ancestry noun
The family or ethnic background you come from.
ancestral adjective
Relating to ancestors, as in 'ancestral home.'
ancestrally adverb
In a way related to ancestors; rare.

Commonly confused: ancestor or descendant?

ancestor vs descendant

A descendant comes after you in your family line; an ancestor comes before you. Your grandparents are your ancestors; your grandchildren are your descendants.

Practice

My great-grandmother is one of my ___.

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