Definition of back-up Back-up
We found 4 definitions of back-up from 1 different sources.
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What does back-up mean?
Wiktionary 
- back-up (Noun)
Alternative spelling of backup. - back-up (Adjective)
Alternative spelling of backup.
WordNet
NounPlural: backups |
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| backup - (computer science) a copy of a file or directory on a separate storage device; "he made a backup in case the original was accidentally damaged or erased" | ||
| computer backup | ||
| duplicate, duplication a copy that corresponds to an original exactly; "he made a duplicate for the files" | ||
| computer science, computing the branch of engineering science that studies (with the aid of computers) computable processes and structures | ||
| backup - an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet" | ||
| accumulation, accretion the act of accumulating | ||
| backup - someone who takes the place of another (as when things get dangerous or difficult); "the star had a stand-in for dangerous scenes"; "we need extra employees for summer fill-ins" | ||
| stand-in, substitute, relief, reliever, backup man, fill-in | ||
| compeer, equal, peer, match a person who is of equal standing with another in a group | ||
| locum, locum tenens someone (physician or clergyman) who substitutes temporarily for another member of the same profession | ||
| stunt man, stunt woman, double a base hit on which the batter stops safely at second base; "he hit a double to deep centerfield" | ||
| backup - the act of providing approval and support; "his vigorous backing of the conservatives got him in trouble with progressives" | ||
| backing, championship, patronage | ||
| approving, approval, blessing a message expressing a favorable opinion; "words of approval seldom passed his lips" | ||
| backup - a musical part (vocal or instrumental) that supports or provides background for other musical parts | ||
| accompaniment, musical accompaniment, support | ||
| voice, part a means or agency by which something is expressed or communicated; "the voice of the law"; "the Times is not the voice of New York"; "conservatism has many voices" | ||
| descant, discant a decorative musical accompaniment (often improvised) added above a basic melody | ||
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Wiktionary
- backup (Noun)
A reserve or substitute. - backup (Noun)
A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged. - backup (Noun)
An accumulation of material that halts the flow or movement of something. - backup (Noun)
reinforcements. - backup (Adjective)
standby, reserve or extra. - backup (Adjective)
That is intended as a backup.
Wikipedia 
- Very often, backup media are portable, so they can be easily moved and stored in a safe place.
Part of speech
🔤- backup, noun, singular of backups.
- backup, adjective.
