cardinal
Pronunciation
Adjective
B1 Intermediate
Quick answer
Of the greatest importance, forming the basic foundation of something.
Synonyms and antonyms
Synonyms
Antonyms
minor
trivial
Usage notes
"Cardinal numbers" (one, two, three) are a separate math term, distinct from this sense of "most important."
Test yourself
Which word fits the gap? "Honesty is a _____ rule in her household."
Answer: cardinal
In your own words, what does "cardinal" mean?
Of the greatest importance, forming the basic foundation of something.
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