American Dictionary

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Definition ancestor in American English

ancestor noun

[countable] noun
/ˈænˌsestər/
1

someone who is related to you who lived a long time ago

Example

Her ancestors came to America with the Pilgrims.

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2

an earlier form from which something modern has developed

Example

a game that many see as the ancestor of basketball

Synonyms and related words
Definition ancestor in American English