adjective ex·tra·ne·ous \ek-ˈstrā-nē-əs\

: not forming a necessary part of something : not important

Full Definition of EXTRANEOUS

:  existing on or coming from the outside <extraneous light>
a :  not forming an essential or vital part <extraneous ornamentation>
b :  having no relevance <an extraneous digression>
:  being a number obtained in solving an equation that is not a solution of the equation <extraneous roots>
ex·tra·ne·ous·ly adverb
ex·tra·ne·ous·ness noun

Examples of EXTRANEOUS

  1. She sped up the process by eliminating all extraneous steps.
  2. <the architect's streamlined modern style shuns any sort of extraneous ornamentation>
  3. Obviously, some degree of packaging is necessary to transport and protect the products we need, but all too often manufacturers add extraneous wrappers over wrappers and layers of unnecessary plastic. —Al Gore, An Inconvenient Truth, 2006


Latin extraneus — more at strange
First Known Use: 1638

Rhymes with EXTRANEOUS


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