We have annual for every year, biennial for every two years. What is the word for every ten years?
how’s this for a guess?
Decannual??
Deciannual??
Decaannual??
decennial
“If you had manifested fatigue upon noticing that you had been an ass, that would have been logical, that would have been rational; whereas it seems to me that to manifest surprise was to be again an ass.”
Mark Twain
Personal Recollections of Joan of Arc
Similarly, duodecennial for 12 year and sesquicentennial for 150 year celebrations.
And sesquipedalian, literally ‘foot-and-a-half-long’ for many syllabled words or speech.
Finally, Susquehanna is a river flowing from central New York to Chesapeake Bay.
“If you had manifested fatigue upon noticing that you had been an ass, that would have been logical, that would have been rational; whereas it seems to me that to manifest surprise was to be again an ass.”
Mark Twain
Personal Recollections of Joan of Arc
Susquehanna was also the name of a hat manufacturing company in an old Abbot and Costello routine.
I always remember the important stuff.
Wally Haiku
Positively my last post here – see the current thread about secondary, tertiary, etc.
http://www.straightdope.com/ubb/Forum3/HTML/002900.html
With the -ennial ending most of the words are the same: vicennial = 20 years, etc.
“If you had manifested fatigue upon noticing that you had been an ass, that would have been logical, that would have been rational; whereas it seems to me that to manifest surprise was to be again an ass.”
Mark Twain
Personal Recollections of Joan of Arc
The U.S. Government takes a decennial census.
You can look up Supreme Court decisions (the old-fashioned way) in West’s Decennial Digests.