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

capitalized : a Mormon 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

Key Takeaways Even after menopause, a significant number of women in their sixties, seventies, and eighties continue to experience symptoms like hot flashes. —Becky Upham, EverydayHealth.com, 10 Sep. 2024

It’s also set in the seventies, this time in Argentina, and is written by a really incredible journalist. —Melanie Goodfellow, Deadline, 6 Sep. 2024

This was the seventies and the eighties and underground was a thing. —Mike Fleming Jr, Deadline, 26 July 2024

Part of London Bridge, a grey steel and concrete product of the seventies, has been illuminated by a new 190-foot-long mosaic. —George Nelson, ARTnews.com, 26 July 2024

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