seventies

noun

1. (form-of, plural)plural of seventy
2. (plural, plural-only)The decade of the 1870s, 1970s, etc.

   “I'm so bored of this decade, the seventies can't come soon enough.”

   “'The Bride' [a snowdrop variety], found in the early Seventies at Foxcote Farm near Cheltenham, was his first discovery. It's a poculiform (cup-shaped) G. elwesii] with six pure white petals of the same length.”

3. (plural, plural-only)The decade of one's life from age 70 through age 79.

   “My grandma met her third wife when they were both in their seventies.”

4. (plural, plural-only)The range between 70 and 79.

   “You don't need your parka today, it's in the seventies.”

adj

1. (not-comparable)From or evoking the 71st through 80th years of a century (chiefly the 1970s).

   “I know the theme of the school dance is "The 1970s" but is covering the walls, floor, and ceiling with tie-dye too seventies?”

   “Among rock critics and journalists, there is an overwhelming bias to view the late sixties in a positive light and seventies music as an unfortunate decline into commercialism at the expense of musical authenticity.”