Seventy Definition

sĕvən-tē
seventies
noun
seventies
The cardinal number between sixty-nine and seventy-one; 70; LXX.
Webster's New World
A decade or the numbers from 70 to 79.
They became grandparents in their seventies. The temperature hovered in the seventies.
American Heritage
The decade from 70 to 79 in a century.
American Heritage
Synonyms:
adjective
Seven times ten.
Webster's New World
Synonyms:
idiom
the seventies
  • the numbers or years, as of a century, from seventy through seventy-nine
Webster's New World
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Other Word Forms of Seventy

Noun

Singular:
seventy
Plural:
seventies

Idioms, Phrasal Verbs Related to Seventy

  • the seventies

Origin of Seventy

  • Middle English from Old English -seofontig (in hundseofontig the decade seventy, seventy) septm̥ in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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seventy