centennial

[ sen-ten-ee-uhl ]
See synonyms for centennial on Thesaurus.com
adjective
  1. pertaining to, or marking the completion of, a period of 100 years.

  2. pertaining to a 100th anniversary.

  1. lasting 100 years.

  2. 100 years old.

noun
  1. a 100th anniversary or its celebration; centenary.

Origin of centennial

1
1790–1800; <Latin cent- 100 (see cent) + English -ennial pertaining to a period of years (extracted from biennial)

Other words from centennial

  • cen·ten·ni·al·ly, adverb
  • pre·cen·ten·ni·al, adjective

Words that may be confused with centennial

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for centennial

centennial

/ (sɛnˈtɛnɪəl) /


adjective
  1. relating to, lasting for, or completing a period of 100 years

  2. occurring every 100 years

noun
  1. mainly US and Canadian another name for centenary

Origin of centennial

1
C18: from Latin centum hundred, on the model of biennial

Derived forms of centennial

  • centennially, adverb

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