Antonyms of noun ancestor

1 sense of ancestor

Sense 1
ancestor, ascendant, ascendent, antecedent, root -- (someone from whom you are descended (but usually more remote than a grandparent))
       Antonym of descendant (Sense 1)
      => descendant, descendent -- (a person considered as descended from some ancestor or race)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ancestor

1 sense of ancestor

Sense 1
ancestor, ascendant, ascendent, antecedent, root -- (someone from whom you are descended (but usually more remote than a grandparent))
       => relative, relation -- (a person related by blood or marriage; "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey")