Backup synonyms | nouns

Synonyms for Backup as a Noun

• substitute

  switch, auxiliary
• reserve

  substitute, increase
• support

  help
• stand-in

  substitute
• relief

  substitute, support
• backing

  support, back
• standby

  reserve, increase
• alternate

  auxiliary
• fill-in
• spare

  switch
• understudy

  substitute, switch
• reliever
• replacement

  substitute, switch
• help

  support
• auxiliary

  increase
• assistance

  help, support
• accompaniment

  back
• patronage
• extra

  auxiliary
• reserves

  support, reinforcements
• aid

  help
• championship
• reinforcement
• secondary

  increase
• second
• surrogate
• sub
• musical accompaniment
• backup man
• computer backup
• double
• fallback

  switch
• alternative
• deputy
• proxy
• reinforcements
• locum
• pinch hitter
• stand-by
• tie-up
• contingency
• stopgap
• supporting
• assistant
• representative
• agent
• locum tenens
• attorney
• copy

  replica, replication
• jam