What does undecennary mean?
Undecennary means (rare) Once every eleven years; undecennial..
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Pronunciation varies by accent · adjective
(rare) Once every eleven years; undecennial..
1783, Dr. E. Stiles, election sermon an undecennary account laid before Parliament
Use undecennary when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Undecennary means (rare) Once every eleven years; undecennial..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
1783, Dr. E. Stiles, election sermon an undecennary account laid before Parliament
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