- 1a person in your family who lived a long time ago synonym forebear His ancestors had come to America from Ireland.
- 2an animal that lived in the past, that a modern animal has developed from a reptile that was the common ancestor of lizards and turtles
- 3 an early form of a machine that later became more developed synonym forerunner The ancestor of the modern bicycle was called a penny-farthing. compare descendant
ancestraljump to other results
NAmE//ænˈsɛstrəl//adjective her ancestral home (= that had belonged to her ancestors )