BACKUP

backing, backup, championship, patronage

(noun) the act of providing approval and support; “his vigorous backing of the conservatives got him in trouble with progressives”

backup, computer backup

(noun) (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”

accompaniment, musical accompaniment, backup, support

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

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

(noun) 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”

backup

(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® 3.1

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Etymology

Noun

backup (plural backups)

A reserve or substitute.

(computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.

An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.

(law enforcement) reinforcements

Synonyms

• (reserve): reserve, stand-in, spare, substitute

• (computing: copy of a file or record)

• (accumulation of material caused by an obstruction of flow): tailback, line (of cars)

Adjective

backup (not comparable)

Standby, reserve or extra.

(computing) That is intended as a backup.

Supporting, reinforcing; (music) of or related to accompaniment

Usage notes

Back-up is an alternative spelling of backup. Both spellings are used as either a noun or an adjective. The verb back up is always spelled as two words and never with a hyphen.

Synonyms

• (reserve): extra, reserve, spare, standby

• (supporting): backing

Verb

backup (third-person singular simple present backups, present participle backuping, simple past and past participle backuped)

Misspelling of back up.

Anagrams

• upback

Source: Wiktionary

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