Definitions

cardinal

[kahr-dn-l] / ˈkɑr dn l /

ADJECTIVE

important, key

Synonyms

STRONGEST

overriding

STRONG

basic central chief essential first fundamental leading main primary prime principal ruling

WEAK

basal bottom-line constitutive foremost greatest highest indispensable overruling paramount pivotal preeminent vital

Antonyms

STRONG

additional auxiliary extra inessential inferior last least minor nonessential outside peripheral secondary subordinate trivial unimportant unnecessary

WEAK

insignificant negligible

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

So I asked the cardinal to thank the Holy Father for his confidence in me and to assure him that I would do the job with all my heart.

From The Wall Street Journal • Feb. 26, 2026

Another trip in the works is to Spain, with potential events in Madrid, Barcelona and the Canary Islands, a Spanish cardinal said last month.

From Barron's • Feb. 10, 2026

The cardinal sin of “The Last Days” is that it doesn’t choose a storyline.

From Los Angeles Times • Jan. 20, 2026

Before Robby and Al-Hashimi engage in any real ideological tussles, though, she commits the cardinal sin of suggesting they change the trauma center’s nickname to something else.

From Salon • Jan. 8, 2026

Chapters in books are usually given the cardinal numbers 1, 2, 3, 4, 5, 6 and so on.

From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon

Vocabulary lists containing cardinal

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Name On: Pro Sports Team Names, Part 1

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Out of My Mind

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