septennial

[ sep-ten-ee-uh l ]
/ sɛpˈtɛn i əl /
SEE SYNONYMS FOR septennial ON THESAURUS.COM

adjective

occurring every seven years.
of or for seven years.

noun

something that occurs every seven years.

Origin of septennial

1630–40; < Late Latin septenni(s) (Latin septuennis) seven years old ( sept(em) seven + -enn-, combining form of annus year + -is adj. suffix) + -al1

OTHER WORDS FROM septennial

sep·ten·ni·al·ly, adverb

Words nearby septennial

septemviral, septemvirate, septenarius, septenary, septendecillion, septennial, septennium, septentrion, septet, septi-, septic

Words related to septennial

septenary, septemviral, septuple

Example sentences from the Web for septennial

British Dictionary definitions for septennial

septennial
/ (sɛpˈtɛnɪəl) /

adjective

occurring every seven years
relating to or lasting seven years

Derived forms of septennial

septennially, adverb

Word Origin for septennial

C17: from Latin septennis, from septem seven + annus a year