Noun ancestor has 1 sense
  1. ancestor, ascendant, ascendent, antecedent, root - someone from whom you are descended (but usually more remote than a grandparent)
    --1 is a kind of relative, relation
    Antonyms: descendant, descendent
    --1 has particulars:
     ancestress; forebear, forbear; forefather, father, sire; foremother; progenitor, primogenitor
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