uncountable

UK: /ʌnˈkaʊntəb^əl/ US: /ʌnˈkaʊntəbəl/ ,(un koun′tə bəl)

WordReference Random House Learner's Dictionary of American English © 2025

un•count•a•ble /ʌnˈkaʊntəbəl/   adj. 

1. larger in number than can easily or possibly be counted:
   a sky of uncountable stars.
2. (of a noun) that cannot be counted:
   An uncountable noun does not have a plural form because it is thought of as a mass, (like sand, or furniture) or because it is considered abstract, (like courage ).
Usage
In this dictionary, uncountable nouns are called[uncountable] and have the label [uncountable] before them.

WordReference Random House Unabridged Dictionary of American English © 2025

un•count•a•ble  (un koun′tə bəl), adj. 

1. not countable;
   incapable of having the total precisely ascertained:
   uncountable colonies of bacteria; uncountable kindnesses and small favors.
2. indefinitely large in number;
   infinite:
   the uncountable days of eternity.

• 1350–1400; Middle English; see un-¹, countable

Collins Concise English Dictionary © HarperCollins Publishers::

uncountable / ʌnˈkaʊntəb^əl/ adjective

1. too many to be counted; innumerable
2. denoting a noun that does not refer to an isolable object
   See mass noun