so-called - definition and synonyms

adjective [only before noun] 

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/ˈsəʊ kɔːld/
  1. 1
    used for showing that you think a word used for describing someone or something is not suitable

    His so-called friends betrayed him.

    The so-called easy method seemed the hardest of all.

  2. 2
    used for saying that a particular word is usually used for referring to someone or something

    They’ve found the flight recorder, the so-called black box.