Synonyms and Antonyms for backup

1. backup (n.)

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

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2. backup (n.)

(computer science) a copy of a file or directory on a separate storage device

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3. backup (n.)

the act of providing approval and support

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4. backup (n.)

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

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5. backup (n.)

an accumulation caused by clogging or a stoppage

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