Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Backup" Definition
noun
A reserve or substitute.
Source: American Heritage Dictionary
An overflow or accumulation caused by clogging or by a stoppage: a backup in the sink; a backup of traffic at the drawbridge.
Source: American Heritage Dictionary
Computer Science A copy of a program or file that is stored separately from the original.
Source: American Heritage Dictionary
Music A background accompaniment, as for a performer.
Source: American Heritage Dictionary
Support or backing.
Source: American Heritage Dictionary
adjective
Extra; standby: a backup pilot.
Source: American Heritage Dictionary
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