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Definition of plethora noun from the Oxford Advanced Learner's Dictionary

plethora

noun
 
/ˈpleθərə/
 
/ˈpleθərə/
[singular] (formal)
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  1. an amount that is greater than is needed or can be used synonym excess
    • The report contained a plethora of detail.
    Word Originmid 16th cent. (in the medical sense): via late Latin from Greek plēthōrē, from plēthein ‘be full’.
See plethora in the Oxford Advanced American Dictionary
previously
adverb
 
 
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