0 A person's seventies are the period in which they are aged between 70 and 79: --
Flared trousers and platform shoes were fashionable in the seventies.
The temperature is expected to reach the seventies tomorrow.
He's very active considering he's in his seventies.
1 the numbers 70 to 79: --
Ginny must be in her seventies (= between 70 and 79 years old).
The temperature was in the seventies (= between 70° and 79°).
We were still punching cards right up to the late seventies.
He gave up smoking in the seventies as he became aware of the health risks.
By the early seventies, half the children between fourteen and eighteen were attending school.
During the sixties and seventies, it became a test of wills to see if players or coach would bend to the wishes of the other.
During the late seventies and early eighties, the struggle about nuclear power had all the characteristics of a contest about basic policy images.
As a consequence my life took its own course, certainly in the liberal sixties and seventies.
By the late seventies, too many obvious dissertations had been written and published.
The two movements, which are the hallmark of the seventies, are on a par in the early years of this decade.
