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.

Freedom of circulation is a cardinal principle of maritime law.

From Barron's • Apr. 9, 2026

Colby reportedly gave the cardinal a dressing down.

From Salon • Apr. 9, 2026

He was named head of the church in New York by Pope Benedict XVI in 2009, who later made him cardinal.

From BBC • Dec. 18, 2025

In turning the Trojans into perennial title contenders, Carroll set out to “put a fence” around the Southland, to keep all of its top prospects at home, in cardinal and gold.

From Los Angeles Times • Dec. 3, 2025

Her immense eyes widened with childlike acceptance, as if he had revealed the cardinal mystery of creation.

From "Do Androids Dream of Electric Sheep?" by Philip K. Dick

Vocabulary lists containing cardinal

The Vocabulary.com Top 1000

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Name On: Pro Sports Team Names, Part 1

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Out of My Mind

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!