• a b
  • Log In
  • Home
  • Vocabulary
  • Writing
  • Mobile apps
  • Help
  • ©2017 EdictFree.
    All Rights Reserved.
Vocabulary
  • Topic
Help
  • Contact Us
  • Privacy policy
Mobile apps
  • Android
  • Ios
Bright
  • Home
  • Vocabulary
    • Topic
  • Writing

Free Online Dictionary

The home of living English, with more than 820,000 words, meanings and phrases
Oxford Dictionary English select
District 1 District 2 District 7 More

Oxford Dictionary English

    backup

    noun
    noun
    BrE BrE//ˈbækʌp//
    ; NAmE NAmE//ˈbækʌp//
    [uncountable, countable]
    Add to my wordlist
    jump to other results
  1. 1extra help or support that you can get if necessary The police had backup from the army. We can use him as a backup if one of the other players drops out. a backup power supply
  2. 2 (computing) a copy of a file, etc. that can be used if the original is lost or damaged Always make a backup of your work. a backup copy see also back somethingup
  3. Extra examples The hospital has a backup power supply. The police called for backup from the army. We can use him as a backup if one of the team can’t play.
See backup in the Oxford Learner's Dictionary of Academic EnglishSee backup in the Oxford Advanced American Dictionary
Check pronunciation: backup
oxfordlearnersdictionaries.com
Word of day

May 13, 2025

laundry basket
noun
Ad
Mobile apps

Browse our dictionary apps today and ensure you are never again lost for words.

Follow
  • Facebook
  • Twitter
Find Out More
  • Contact us
  • Privacy policy
Copyright EdictFree.Com All Rights Reserved.
Design by EdictFree
Copyright EdictFree.Com All Rights Reserved.
Design by EdictFree
    • Longman Dictionary English
    • Oxford Dictionary English