English dictionary



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English noun: backup

1. backup (process) an accumulation caused by clogging or a stoppage


SamplesA traffic backup on the main street.
He discovered a backup in the toilet.


Broader (hypernym)accretion, accumulation

2. backup (person) someone who takes the place of another (as when things get dangerous or difficult)


SamplesThe star had a stand-in for dangerous scenes.
We need extra employees for summer fill-ins.


Synonymsbackup man, fill-in, relief, reliever, stand-in, substitute


Broader (hypernym)compeer, equal, match, peer


Narrower (hyponym)alternate, double, locum, locum tenens, replacement, stunt man, stunt woman, surrogate

3. backup (communication) a musical part (vocal or instrumental) that supports or provides background for other musical parts


Synonymsaccompaniment, musical accompaniment, support


Broader (hypernym)part, voice


Narrower (hyponym)descant, discant, vamp

4. backup (artifact) (computer science) a copy of a file or directory on a separate storage device


SamplesHe made a backup in case the original was accidentally damaged or erased.


Synonymscomputer backup


Broader (hypernym)duplicate, duplication


Domain categorycomputer science, computing

5. backup (act) the act of providing approval and support


SamplesHis vigorous backing of the conservatives got him in trouble with progressives.


Synonymsbacking, championship, patronage


Broader (hypernym)approval, approving, blessing









Based on WordNet 3.0 copyright © Princeton University.
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