Cardinal meaning

What does “cardinal” mean? Definitions, examples, synonyms and opposites.

“cardinal” is a noun and adjective with 6 meanings. Its most common meaning is: (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes.

cardinal

noun

  1. (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes

  2. the number of elements in a mathematical set; denotes a quantity but not the order

  3. a variable color averaging a vivid red

    Synonymscarmine
  4. crested thick-billed North American finch having bright red plumage in the male

adjective

  1. serving as an essential component

    “a cardinal rule”

    “the central cause of the problem”

  2. being or denoting a numerical quantity but not order

    “cardinal numbers”

    Oppositesordinal

Source: WordNet 3.1, Princeton University