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