plethora

A plethora is a significant or excessive amount of something, far more than what is strictly necessary. The mental image is that of a container overflowing or a surplus so vast that it becomes difficult to manage or choose from. While it implies an abundance, it often carries a subtle connotation of "too much" rather than just "plenty." It is most frequently used in professional or academic contexts to describe a wide variety or a large supply, such as a plethora of options or a plethora of data.
In conversation
Choosing a streaming service
There are just too many apps these days.
There are just too many apps these days.
I know, we have a plethora of streaming services but nothing good to watch.
I know, we have a plethora of streaming services but nothing good to watch.
Used here to highlight the irony of having many choices but low satisfaction.
Discussing research
You have gathered a plethora of evidence for your thesis.
You have gathered a plethora of evidence for your thesis.
Thank you! Now I just need to organize it all.
Thank you! Now I just need to organize it all.
Shows the word used to describe a large, almost overwhelming collection of data.
Examples
The store offers a plethora of choices for customers.
The store offers a plethora of choices for customers.
She was faced with a plethora of conflicting instructions from her supervisors.
She was faced with a plethora of conflicting instructions from her supervisors.
The ecosystem supports a plethora of rare species, making it a vital site for conservation.
The ecosystem supports a plethora of rare species, making it a vital site for conservation.