ultimacy

[ uhl-tuh-muh-see ]
/ ˈʌl tə mə si /
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noun, plural ul·ti·ma·cies.

the state or quality of being ultimate.
a basic or fundamental quality: to question the ultimacies of one's religious beliefs.

Origin of ultimacy

First recorded in 1835–45; ultim(ate) + -acy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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