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English definition of “plethora”

plethora

noun [S] uk   /ˈpleθ.ər.ə/ us    /-ɚ.ə/ formal
C2 a very large amount of something, especially a larger amount than you need, want, or can deal with: There's a plethora of books about the royal family. The plethora of regulations is both contradictory and confusing.
(Definition of plethora from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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