seventy

noun

sev·​en·​ty ˈse-vən-tē 

ˈse-bᵊm-, 

-dē

plural seventies

1

: a number equal to seven times 10 see Table of Numbers

2

seventies plural : the numbers 70 to 79

specifically : the years 70 to 79 in a lifetime or century

3

Seventy : a Latter-day Saint elder ordained for missionary work under the apostles

seventieth

ˈse-vən-tē-əth 

ˈse-bᵊm-, 

-dē-

adjective or noun

seventy adjective

seventy pronoun, plural in construction

Examples of seventy in a Sentence

She is in her seventies.

Recent Examples on the Web

While studying campus movements such as the Third World Liberation Front of the late sixties and early seventies, I was struck by how many of their demands were about college life. —Jay Caspian Kang, New Yorker, 17 Feb. 2026

Then in his seventies and newly married to his fourth wife, Argentinian actress (and fellow tango enthusiast) Luciana Pedraza, Duvall seemed to be most content on his 300-acre horse ranch in Virginia. —Chris Nashawaty, Vanity Fair, 16 Feb. 2026

The Holloways and the Sniders, who were then nearing their seventies, had been friends for decades. —Matthew Bremner, Rolling Stone, 11 Feb. 2026

And this goes into, well, probably into the sixties, late sixties, early seventies. —Natalia Sánchez Loayza, Scientific American, 5 Feb. 2026

Word History

Etymology

seventy, adjective, from Middle English, from Old English seofontig, short for hundseofontig, from hundseofontig, noun, group of seventy, from hund hundred + seofon seven + -tig group of ten; akin to Old English tīen ten

First Known Use

12th century, in the meaning defined at sense 1

Phrases Containing seventy

• seventy-eight

Kids Definition

seventy

noun

sev·​en·​ty ˈsev-ən-tē 

plural seventies

: a number equal to seven times 10 see number

seventieth

-tē-əth 

adjective or noun

seventy adjective or pronoun