0 a very large amount of something, especially a larger amount than you need, want, or can deal with: --
The plethora of regulations is both contradictory and confusing.
1 a very large amount of something, esp. a larger amount than you need, want, or can deal with: --
There is a plethora of community musical activities being led, sometimes by 'qualified' teachers, sometimes not.
In disco music and the subsequent plethora of 'dance' forms, it has taken on new importance.
Treatment of electromagnetic methods is difficult because of the plethora of methods with very specific applications.
The original idea of a profile developed into a plethora of projects that in scope was far greater than originally envisaged.
Outside the hall, the plethora of booths, entertainments and ballad singers gave the scene a carnivalesque atmosphere.
The combination produces a book difficult to summarize, for it contains a plethora of information, visual images, and impressive historical and theoretical discussion.
Despite the plethora of theories that have surfaced over the years, there are really only two ways of explaining visual experience.
As revonsuo and other evolution-minded theorists suggest, humans, like other animals, should have evolved a plethora of special threat-detection devices.