There wouldn't be one, exactly.
Bi means two, and centennial would refer to a fixed interval or period of time, in this case 100 years.
Having broken it down, I would concentrate on an antonym for centennial, which might be constant and permanent, or sporadic and irregular.
We celebrated the two hundredth anniversary of our country with many bicentennial events and parties.
Two hundred year anniversary, but that's not "one word".
A bicentennial is the 200th anniversary of anything. For example, the American Bicentennial was 1976, the bicentennial of Abraham Lincoln's birth is 2009.
Bicentennial means "200th anniversary".
Three antonyms for the word "historic" are; insignificant, unimportant, and unremarkable.
As decennial relates to a ten year period, it has no antonym.
The antonym of the word 'synonym' is 'antonym'.
now ____________ The word when does not have an antonym. Not every word has an antonym.
The antonym of the word 'out' is 'in'.
An antonym for the word enlarge is reduce. (An antonym is a word that means the opposite of another word.)
what is an antonym for the word treaty
There is no word that is antonym for the word octopus.
what is the antonym for the word seedier
An antonym for the word "vocabulary" could be "silence" or "mute".
The antonym for the word "caste" is likely "equality" or "equity," as caste refers to a social class system with rigid boundaries and disparities, while equality implies fairness and equal rights for all individuals.
An antonym of a word is another word meaning the exact opposite of the first word. An antonym for the word announcer is listener.
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