seventy[sev′ən tē; often, -ən dē]
seventy definition by Webster's New World
Origin: Middle English seofentig ; from Old English (hund)seofontig: see seven and amp; -ty
seventy definition by American Heritage Dictionary
- The cardinal number equal to 7 × 10.
- seventiesa. 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: Middle English, from Old English -seofontig (in hundseofontig, the decad seventy, seventy); see septm̥ in Indo-European roots.
- sevˈen·ty adjective & pron.
seventy - Phrases/Idioms