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Definition of tercentenary
tercentenary
/ˌtɜːrsɛnˈtɛnəri/
ter · cen · ten · a · ry
Plural:tercentenaries
•Adjective:tercentenary
tercentenary Lexical Profile
CEFR
C2
Grade
12
Tier
2
Usage
Rare
Syllables
5
tercentenary Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A three-hundredth anniversary, or the celebration commemorating it.
Example
"The university will celebrate its tercentenary next autumn with an international symposium and exhibition."
2
A period of three hundred years.
Example
"Over the course of a tercentenary, the small coastal settlement evolved into a bustling commercial port."
Synonyms
View all synonyms for tercentenary• adjective
1
Relating to or marking a three-hundredth anniversary or a period of three hundred years.
Example
"The city council organized a series of tercentenary lectures to honor the historic founding of the town."
Synonyms
View all synonyms for tercentenary• Rhymes for tercentenary
Word Origin & Etymology
Coined in the early 19th century from Latin ter ('three times') combined with centenary (from Latin centenarius, meaning 'relating to a hundred').
Cite this Entry
Wordmom. (2026). Definition of Tercentenary. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/tercentenary