Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary

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Definition

plethora noun

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/ˈpleθ.ər.ə//-ɚ.ə/ n [S] slightly formal
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 noun from the Cambridge Advanced Learner's Dictionary)