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