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The cardinal rule in working with large powerful animals is never to take any risks.
a cardinal error
This is the British English definition of cardinal. View American English definition of cardinal.
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View the pronunciation for cardinal.
American English version of definition of cardinal
a new word or phrase invented in the hope that it will become generally used
the distance from the centre of a circle to its edge, or a straight line from the centre to the edge
a collection of debris, mostly consisting of plastic, which moves around in the sea …
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Definition of cardinal from the online English dictionary from Macmillan Publishers Limited.