Countable and Uncountable Nouns in English, Definition and Detailed List Countable and Uncountable Nouns Nouns, although it seems simple, is a subject that contains a lot of details. Countable and uncountable nouns are in fact not very difficult to distinguish. In English, countable and uncountable nouns are known as countable and uncountable nouns. Countable and uncountable nouns determine the amount of objects or how to express them directly when describing the object itself. For example…