Word.ws English Dictionary

back-up

back-up is the alternative form of backup.

Meaning of backup

Adjective

backup (not comparable)

  1. Standby, reserve or extra.
    • I am only a backup player.
    Synonyms:
    extra, standby
  2. That is intended as a backup.
    • Make a backup copy of that file.
  3. Supporting, reinforcing; (music) of or related to accompaniment
    Synonyms:
    backing

See all 10 meanings of backup

Forms of back-up

pluralback-ups

Origin of back-up

Deverbal from back up.

Questions about back-up

What is back-up the alternative form of?
Back-up is the alternative form of backup.

Words near back-up in the dictionary

  1. back-transliterated
  2. back-transliterates
  3. back-transliterating
  4. back-transliteration
  5. back-transliterations
  6. back-up
  7. back-ups
  8. back-washable
  9. back-water
  10. back-waters
  11. backa

Source and license

Adapted from Wiktionary: back-up (page history and authors); backup (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “back-up.” Word.ws, https://word.ws/back-up. Based on Wiktionary, CC BY-SA 4.0.