Definition of


  1. (noun, quantity) the cardinal number that is the sum of nine and one; the base of the decimal system
  2. (noun, time) a period of 10 years

via WordNet, Princeton University

Synonyms of Decade

10, decennary, decennium, ten, tenner, x

Origin of the word Decade

  1. mid-15c., "ten parts" (of anything; originally in ref. to the books of Livy), from M.Fr. decade, from L.L. decadem (nom. decas), from Gk. dekas (acc. dekada) "group of ten." Meaning "ten years" is 1590s in English. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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