What is actually the definition of plethora?

A plethora is an excessive amount of something. It's a word that suggests an abundance, surplus, or oversupply, often to the point of being overwhelming.

Here's a breakdown of its key aspects:

* Quantity: It implies a large quantity, much more than what is needed or desired.

* Excess: It goes beyond sufficiency, creating a feeling of too much.

* Overabundance: It suggests a state of overflowing, with no room for more.

Examples:

* "The library has a plethora of books on history."

* "The buffet offered a plethora of delicious dishes, but I couldn't eat them all."

* "The internet provides a plethora of information, making it difficult to sift through."

Synonyms:

* Abundance

* Surplus

* Profusion

* Superabundance

* Overabundance

* Glut

* Overflow

Note: While "plethora" often has a positive connotation, implying a richness of options or resources, it can also be used in a negative sense to highlight a state of overwhelmingness or even a chaotic situation due to too much of something.