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backup
WORDNET DICTIONARY
Noun backup has 5 senses
- backup(n = noun.process) Array - an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet" is a kind of accretion, accumulation
- backup(n = noun.person) backup man, fill-in, relief, reliever, stand-in, substitute - 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" is a kind of compeer, equal, match, peer
- backup(n = noun.communication) accompaniment, musical accompaniment, support - a musical part (vocal or instrumental) that supports or provides background for other musical parts; Array is a kind of part, voice
- backup(n = noun.artifact) computer backup - (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" is a kind of duplicate, duplication
- backup(n = noun.act) backing, championship, patronage - the act of providing approval and support; "his vigorous backing of the conservatives got him in trouble with progressives" is a kind of approval, approving, blessing
Derived form verb back up5
has particulars: locum, locum tenens, double, stunt man, stunt woman, alternate, replacement, surrogate
has particulars: descant, discant, vamp
Derived form verb back up4
Derived form verb back up1
CIDE DICTIONARY
backup, n.
- anything kept in reserve to serve as a substitute in case of failure or unavailability of the normal or primary object; -- used for devices, plans, people, etc. Also used attributively; as, there was no backup for the electrical supply; a backup motor; a backup generator. [PJC]
- a musician or group of musicians accompanying a soloist, whether vocalists or instrumentalists. [PJC]
- a person or group of persons serving as reinforcement for another or others; as, the policeman called for backup when he was fired on. [PJC]
- an accumulation, overflow, or reverse flow (in traffic or a liquid flow system) caused by a stoppage or other malfunction. [PJC]
- A copy of a program or data from a computer onto a data-storage medium, usually one that may be removed to safe storage at a distance from the computer; it is used to preserve data for use in the contingency that the original data on the computer may be lost or become unusable. A backup that is removed from the building housing the computer system (to provide protection against loss of data in a disastrous event such as a fire) is called
off-site backup - The act or process of creating a backup{5}; as, they performed a full system backup every weekend. [PJC]
OXFORD DICTIONARY
backup, n.
1 moral or technical support (called for extra backup).
2 a reserve.
3 Computing (often attrib.) a the procedure for making security copies of data (backup facilities). b the copy itself (made a backup).
4 US a queue of vehicles etc., esp. in congested traffic.
1 moral or technical support (called for extra backup).
2 a reserve.
3 Computing (often attrib.) a the procedure for making security copies of data (backup facilities). b the copy itself (made a backup).
4 US a queue of vehicles etc., esp. in congested traffic.
Idiom
backup light US a reversing light.
THESAURUS
backup
about-face, about-turn, advocate, agent, alter ego, alternate, alternative, amicus curiae, analogy, attorney, back track, back trail, backing, backing off, backing out, backing up, backup man, champion, change, changeling, comparison, copy, counterfeit, deputy, double, dummy, equal, equivalent, ersatz, exchange, executive officer, exponent, fake, figurehead, fill-in, ghost, ghostwriter, imitation, lieutenant, locum, locum tenens, makeshift, metaphor, metonymy, mock, next best thing, paranymph, personnel, phony, pinch, pinch hitter, pleader, procurator, provisional, proxy, relief, replacement, representative, reserve, reserves, reversal, reverse, reversing, reversion, right-about, right-about-face, ringer, second in command, second string, secondary, sign, spare, spares, stand-in, stopgap, sub, substituent, substitute, substitution, succedaneum, superseder, supplanter, surrogate, swingaround, symbol, synecdoche, temporary, tentative, third string, token, turnabout, turnaround, understudy, utility, utility man, utility player, vicar, vicar general, vicarious, vice, vice-president, vice-regent, vicegerent, volte-face
For further exploring for "backup" in Webster Dictionary Online
