Synonyms of ancestor in English:

ancestor


See US English definition of ancestor

See UK English definition of ancestor

See Spanish definition of antepasado

noun

1‘he could trace his ancestors back to King James I’

SYNONYMS
forebear, forefather, predecessor, progenitor, antecedent
rare primogenitor
ANTONYMS

descendant, successor

2‘the instrument is an ancestor of the lute’

SYNONYMS
forerunner, precursor, predecessor
prototype