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Definition of primacy
primacy
/ˈpɹaɪ.mə.si/
pri · ma · cy
Adverb:primarily
•Plural:primacies
•Adjective:primary
primacy Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Top 10k
Syllables
3
primacy Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The fact of being primary, most important, or first in rank, authority, or value.
Example
"The treaty established the primacy of international law over domestic legislation in trade disputes."
2
The office, rank, or authority of an ecclesiastical primate or archbishop.
Example
"During the medieval period, the two archdioceses frequently disputed the ecclesiastical primacy of the realm."
Synonyms
View all synonyms for primacy Antonyms
View all antonyms for primacyWord Origin & Etymology
Borrowed from Old French 'primacie' and Medieval Latin 'primatia', derived from Late Latin 'primas' ('leader, chief, person of the first rank'), from Latin 'primus' ('first').
Cite this Entry
Wordmom. (2026). Definition of Primacy. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/primacy