In your seventies
phrase
Being between the ages of 70 and 79.
My grandmother is in her seventies but she is in great health.

Often appears as...
- in the early seventies
- in the late seventies
phrase
Being between the ages of 70 and 79.
My grandmother is in her seventies but she is in great health.

Often appears as...
- in the early seventies
- in the late seventies
Definition 1 of 1

Age Precision
The term is less precise than stating an exact age, and implies a range.

He's in his seventies, so he's seen many changes in the world.
Potential Underestimate
When someone says 'in their seventies', it could mean 79, not just early 70s.

Though in her seventies, she could outwalk many younger folks.
Collocation Clarification
Adding 'early', 'mid', or 'late' gives a clearer picture of the specific age.

My uncle, in his mid-seventies, still runs marathons.
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