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backup

PRIMARY MEANINGS OF: backup

1
n
the act of providing approval and support
2
n
an accumulation caused by clogging or a stoppage
3
n
(computer science) a copy of a file or directory on a separate storage device
FULL DEFINITIONS OF: backup
1

n the act of providing approval and support

Synonyms:
backing, championship, patronage
Type of:
approval, approving, blessing
the formal act of approving

n a musical part (vocal or instrumental) that supports or provides background for other musical parts

Synonyms:
accompaniment, musical accompaniment, support
Types:
descant, discant
a decorative musical accompaniment (often improvised) added above a basic melody
vamp
an improvised musical accompaniment
Type of:
part, voice
the melody carried by a particular voice or instrument in polyphonic music

n someone who takes the place of another (as when things get dangerous or difficult)

Synonyms:
backup man, fill-in, relief, reliever, stand-in, substitute
Types:
locum, locum tenens
someone (physician or clergyman) who substitutes temporarily for another member of the same profession
double, stunt man, stunt woman
a stand-in for movie stars to perform dangerous stunts
alternate, replacement, surrogate
someone who takes the place of another person
Type of:
compeer, equal, match, peer
a person who is of equal standing with another in a group
2

n an accumulation caused by clogging or a stoppage

“a traffic backup on the main street”
“he discovered a backup in the toilet”
Type of:
accretion, accumulation
an increase by natural growth or addition
3

n (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”
Synonyms:
computer backup
Type of:
duplicate, duplication
a copy that corresponds to an original exactly
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