sexennial

American

[sek-sen-ee-uhl] / sɛkˈsɛn i əl /

adjective

of or for six years.
occurring every six years.

sexennial British

/ sɛkˈsɛnɪəl /

adjective

occurring once every six years or over a period of six years

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

a sixth anniversary

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

sexennially

adverb

Etymology

Origin of sexennial

1640–50; < Latin sexenni ( s ) six years old ( sex six + -enn-, combining form of annus year + -is adj. suffix) + -al ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023