cardinal

adj. main, primary, fundamental

n. high ranking official of the Roman Catholic Church; deep red color; crested finch (type of bird)

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Noun
1. (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes
(hypernym) bishop
(hyponym) dean
(member-holonym) Sacred College, College of Cardinals
(classification) Roman Catholic, Western Church, Roman Catholic Church, Church of Rome, Roman Church
2. the number of elements in a mathematical set; denotes a quantity but not the order
(synonym) cardinal number
(hypernym) number
(hyponym) frequency, absolute frequency
3. a variable color averaging a vivid red
(synonym) carmine
(hypernym) red, redness
4. crested thick-billed North American finch having bright red plumage in the male
(synonym) cardinal grosbeak, Richmondena Cardinalis, Cardinalis cardinalis, redbird
(hypernym) finch
(member-holonym) Richmondena, genus Richmondena

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Adjective
1. serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure"
(synonym) central, fundamental, key, primal
(similar) important, of import
2. being or denoting a numerical quantity but not order; "cardinal numbers"
(antonym) ordinal
(similar) zero, 0

adj. cardinal, primary, fundamental

nm. cardinal, high ranking official of the Roman Catholic Church; deep red color

adj. cardinal