English to English
noun
- an accumulation caused by clogging or a stoppage
A traffic backup on the main street.
He discovered a backup in the toilet.
source: WordNet 3.0
- 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.
source: WordNet 3.0
- a musical part (vocal or instrumental) that supports or provides background for other musical parts
source: WordNet 3.0
- (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.
source: WordNet 3.0
- the act of providing approval and support
His vigorous backing of the conservatives got him in trouble with progressives.
source: WordNet 3.0
