Uncountable

//ʌnˈkaʊntəbl̩// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A noun that is uncountable.

    "But inherent uncountables such as 'stuffs' can be conceptualized in two different ways, depending on whether they are viewed in terms of quantity or in terms of quality."

Adjective
  1. 1
    So many as to be incapable of being counted. not-comparable

    "The reasons for our failure were as uncountable as the grains of sand on a beach."

  2. 2
    Incapable of being put into one-to-one correspondence with the natural numbers or any subset thereof. not-comparable

    "Cantor’s “diagonal proof” shows that the set of real numbers is uncountable."

  3. 3
    That cannot be used freely with numbers or the indefinite article, and therefore usually takes no plural form. Example: information. not-comparable

    "Many languages do not distinguish countable nouns from uncountable nouns."

Synonyms

All synonyms
countlessimmeasurableincalculableindefiniteinestimableinfinite

Example

More examples

"The set of real numbers is uncountable."

Etymology

From un- + countable.

Related phrases

uncountable noununcountable setindefinite article

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.