seven times ten
Origin of seventyMiddle English seofentig from Old English (hund)seofontig: see seven and -ty
the cardinal number between sixty-nine and seventy-one; 70; LXX
the numbers or years, as of a century, from seventy through seventy-nine
- The cardinal number equal to 7 × 10.
- seventies a. A decade or the numbers from 70 to 79: They became grandparents in their seventies. The temperature hovered in the seventies.b. often Seventies The decade from 70 to 79 in a century.
Origin of seventyMiddle English from Old English -seofontig ( in hundseofontig the decade seventy, seventy ); see sept&mlowring; in Indo-European roots.