Definition of "make-believe" in English

noun

1. (uncountable) The quality or act of pretending; acting as if something is true when in fact one knows it is not.

2. (uncountable) The condition of pretending or imagining that things are better than they really are.

3. (countable) Something imaginary.

adjective

1. Imaginary; not real; pretend.

   • He called himself Lord So-and-So, even had his family crest on the wall, but it was all totally make-believe.