What's the plural form of overoptimism? Here's the word you're looking for.
Answer
The noun overoptimism can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be overoptimism.
However, in more specific contexts, the plural form can also be overoptimisms e.g. in reference to various types of overoptimisms
or a collection of overoptimisms.
