cardinal

/ˈkɑrdɪnəl/
adjective
  1. Most important; fundamental or primary.
    • Honesty is a cardinal rule in our family.
    • She made a cardinal error by forgetting to save her work.
    • The cardinal principle of democracy is that every vote counts.
Antonyms
noun
  1. A high-ranking official in the Roman Catholic Church, appointed by the Pope and responsible for electing a new Pope.
    • The Pope appointed three new cardinals last year.
    • The cardinal wore a bright red robe and hat.
    • Cardinals from around the world gathered in Vatican City.
  2. A North American songbird with a crest and bright red feathers (the male) or brownish-red feathers (the female).
    • We spotted a female cardinal building a nest in the bush.
    • A bright red cardinal landed on the bird feeder outside my window.
    • Cardinals are known for their beautiful whistling songs.
  3. A number that indicates quantity (e.g., one, two, three), as opposed to an ordinal number (e.g., first, second).
    • The test asks you to write the cardinal numbers from 1 to 20.
    • Children learn cardinal numbers before ordinal numbers.
    • In the sentence 'I have three apples,' 'three' is a cardinal number.
What does "cardinal" mean? | whatsthatwordmean | whatsthatwordmean