Definition from Wiktionary, the free dictionary
- (of the decade) 'seventies
- plural form of
- The decade of the 1870s, 1970s, etc.
1914, Amherst College, “Amherst graduates' quarterly”, volume 4, page 6:
- Our readers — and contributors — are apt to elect a good deal according to years. The seventies and eighties, we may suppose, are concerned for the large educational and cultural interests of their Alma Mater; the nineties are deep in the practical and business activities; the noughties are not naughty, but still young enough to sport a fantastic costume at reunion and let the college wag as it will; the oneties are the really wise as to what the college ought to be, especially on its athletic side, but as contributors modest.
- The decade of one's life from age 70 through age 79.
the decade of the 1970s