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English definition of “fallback”

fallback

adjective [before noun]     /ˈfɔːl.bæk/ US  /ˈfɑːl-/
describes a plan or position that can be used if other plans do not succeed or other things are not available: Do we have a fallback position for these negotiations?Planning, expecting and arrangingPlotting and trapping
(Definition of fallback adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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