be a thing of the past

be a thing of the past

To be outdated . These days, floppy disks are a thing of the past. I wonder when smartphones will be a thing of the past.
See also: of, past, thing
Farlex Dictionary of Idioms.
See also:
  • past
  • look past
  • in times past
  • knew it was coming
  • know (something) is coming
  • brush past (someone or something)
  • the (dim and) distant past
  • the distant past
  • blow past (someone or something)
  • sneak past (someone or something)