uncountable

/ʌnˈkaʊntəbəl/
adjective
  1. Impossible to count because there are too many or because the items are not separate units.
    • The number of grains of sand on a beach is uncountable.
    • She has given uncountable hours to volunteer work.
    • There are uncountable stars in the night sky.
  2. In grammar, describing a noun that cannot be used with numbers or the article 'a/an' because it refers to a mass or abstract concept (e.g., water, happiness).
    • You should use 'less' with uncountable nouns, like 'less sugar.'
    • Teachers often explain that 'advice' is uncountable in English.
    • 'Milk' is an uncountable noun, so we say 'some milk' not 'a milk.'
Antonyms
What does "uncountable" mean? | whatsthatwordmean | whatsthatwordmean