de facto - definition and synonyms

adjective formal 

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/deɪ ˈfæktəʊ/

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/diː ˈfæktəʊ/
  1. 1
    actual, even though not official

    English is the de facto language of the computer industry.

  2. 2
    Australian a de facto relationship is between two people who are officially recognized as partners without being legally married to each other