meaning plethora dictionary
English Collins Dictionary-English synonyms & Thesaurus &nbsp. plethora A plethora of something is a large amount of it, especially an amount of it that is greater than you need, want, or can cope with.FORMAL n-sing N of n A plethora of new operators will be allowed to enter the market.lethora. A plethora of something is a large amount of it, especially an amount of it that is greater than you need, want, or can cope with. FORMAL n-sing N of n. A plethora of new operators will be allowed to enter the market.