What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Counterpart vs Undefined - What's the difference?

counterpart | undefined |

As a noun counterpart

is either of two parts that fit together, or complement one another.

As an adjective undefined is

lacking a definition or value.

counterpart

English

Noun

(en noun)
  • Either of two parts that fit together, or complement one another.
    • ''Those brass knobs and their hollow counterparts interlock perfectly
  • * {{quote-news, year=2012, date=November 7, author=Matt Bai, title=Winning a Second Term, Obama Will Confront Familiar Headwinds, work=New York Times citation
    • , passage=Mr. Obama never found a generational counterpart among conservatives in Congress like Paul D. Ryan or Eric Cantor; instead, there was a mutual animosity.}}
  • (legal) A duplicate of a legal document.
  • One which resembles another
  • One which has corresponding functions or characteristics.
  • * {{quote-news
    • , year=2011 , date=November 12 , author= , title=International friendly: England 1-0 Spain , work=BBC Sport citation , page= , passage=England's attacking impetus was limited to one shot from Lampard that was comfortably collected by keeper Iker Casillas, but for all Spain's domination of the ball his England counterpart Joe Hart was unemployed.}}

    Synonyms

    * equivalent * opposite number * pendant

    Related terms

    * counterbalance * counterpoint * countersign * counterweight * partner

    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