a very large amount of something, especially a larger amount than you need, want, or can deal with (Cambridge)
an amount that is greater than is needed or can be used (Oxford)
بیوقوف ,احمق
The plethora of regulations is both contradictory and confusing. (Cambridge).
The report contained a plethora of detail.(Oxford)
plethora of regulations
contained a plethora of detail
Plenty
Overabundance
Excess
Dearth
Lack
Pleura