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Browse the Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

backup

Entry Word:: backup
Function:: adjective

Text: taking the place of one that came before<a backup amplifier in case the first one breaks onstage>— see new 1

Learn more about "backup" and related topics at Britannica.com

See a map of "backup" in the Visual Thesaurus