English noun: backup | |||
1. | backup (process) an accumulation caused by clogging or a stoppage | ||
Samples | A 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) | ||
Samples | The star had a stand-in for dangerous scenes. We need extra employees for summer fill-ins. | ||
Synonyms | backup 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 | ||
Synonyms | accompaniment, 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 | ||
Samples | He made a backup in case the original was accidentally damaged or erased. | ||
Synonyms | computer backup | ||
Broader (hypernym) | duplicate, duplication | ||
Domain category | computer science, computing | ||
5. | backup (act) the act of providing approval and support | ||
Samples | His vigorous backing of the conservatives got him in trouble with progressives. | ||
Synonyms | backing, championship, patronage | ||
Broader (hypernym) | approval, approving, blessing | ||