Meaning of the word primacy in English

What does primacy mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

primacy

US /ˈpraɪ.mə.si/
UK /ˈpraɪ.mə.si/

Noun

1.

the state of being the most important thing:

Example:
The government insists on the primacy of citizens' rights.
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