Definitions for uncountable
Random House Webster's College Dictionary
Kernerman English Learner's Dictionary
(of nouns) without a plural and not able to be counted in units
The words "smoke" and "information" are uncountable nouns.
An uncountable noun.
So many as to be incapable of being counted.
The reasons for our failure were as uncountable as the grains of sand on a beach.
Incapable of being put into one-to-one correspondence with the natural numbers or any subset thereof.
Cantoru2019s u201Cdiagonal proofu201D shows that the set of real numbers is uncountable.
Describes a meaning of a noun that cannot be used freely with numbers or the indefinite article, and which therefore takes no plural form. Example: information.
Plural form of Feng Shui.