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Ancestor vs Undefined - What's the difference?

ancestor | undefined |

As a noun ancestor

is one from whom a person is descended, whether on the father's or mother's side, at any distance of time; a progenitor; a forefather.

As an adjective undefined is

lacking a definition or value.

ancestor

English

Alternative forms

* ancestour (obsolete) * auncestor (obsolete) * auncestour (obsolete)

Noun

(en noun)
  • One from whom a person is descended, whether on the father's or mother's side, at any distance of time; a progenitor; a forefather.
  • * {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
    • , title= Old soldiers? , passage=Whether modern, industrial man is less or more warlike than his hunter-gatherer ancestors is impossible to determine. The machine gun is so much more lethal than the bow and arrow that comparisons are meaningless.}}
  • An earlier type; a progenitor
  • (legal) One from whom an estate has descended;—the correlative of heir.
  • (figuratively) One who had the same role or function in former times.
  • * {{quote-news, year=2011, date=October 1, author=Saj Chowdhury, work=BBC Sport
    • , title= Wolverhampton 1-2 Newcastle , passage=The Magpies are unbeaten and enjoying their best run since 1994, although few would have thought the class of 2011 would come close to emulating their ancestors .}}

    Usage notes

    * There is a rare feminine form ancestress

    Derived terms

    * cenancestor

    Antonyms

    * descendant

    Anagrams

    *

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined