seventy

American  

[sev-uhn-tee] / ˈsɛv ən ti /

noun

seventies plural

1. a cardinal number, 10 times 7.

2. a symbol for this number, as 70 or LXX.

3. a set of this many persons or things.

4. seventies, the numbers, years, degrees, or the like from 70 through 79, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature.

   They live in the Seventies. His uncle is in his early seventies. It was in the seventies yesterday.

5. the Seventy, the body of scholars who produced the Septuagint.

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adjective

1. amounting to 70 in number.

seventy British  

/ ˈsɛvəntɪ /

noun

1. the cardinal number that is the product of ten and seven See also number

2. a numeral, 70, LXX, etc, representing this number

3. (plural) the numbers 70–79, esp the 70th to the 79th year of a person's life or of a particular century

4. the amount or quantity that is seven times as big as ten

5. something represented by, representing, or consisting of 70 units

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determiner

1. 1. amounting to seventy

      the seventy varieties of fabric

   2. ( as pronoun )

      to invite seventy to the wedding

Other Word Forms

Noun Inflected Forms

• seventies
  plural

Etymology

Origin of seventy

1150–1200; Middle English; Old English seofontig. See seven, -ty ¹

Example Sentences

See Examples For:

seventy seventies

Among the ideas he flagged: solve a continuing housing crisis in the U.K. by getting the state to launch the biggest social housing building program in seventy years.

From The Wall Street Journal ● Jul. 17, 2026

"It was a wonderful moment," even if seventy percent of the people there were strangers, Michael told Israel's Channel 13.

From Barron's ● Mar. 8, 2026

This is still well short of the previous longest wet spell in Cardinham of seventy two days recorded in 2000.

From BBC ● Feb. 18, 2026

There are seventy or so days until Election Day and much hard work is to be done.

From Salon ● Aug. 22, 2024

“The mountains” meant the mountainous region about seventy miles to the west.

From "In the Shadow of Liberty" by Kenneth C. Davis

"When I opened it in the seventies, I was still a young man... now nothing is left," he said, leaning heavily on a walking stick and surveying the vast destruction.

From Barron's ● Jun. 15, 2026

Sure, but consider why today isn’t like the seventies.

From The Wall Street Journal ● Feb. 3, 2026

Yoko: “I think it’ll be a quiet, peaceful seventies, hopefully, you know.”

From Salon ● Dec. 23, 2025

On Sunday, Magnum's chief executive Peter ter Kulve told the Financial Times the Ben & Jerry's founders were in their seventies and "at a certain moment they need to hand over to a new generation".

From BBC ● Dec. 9, 2025

Toward the end of our conversation, Hsu mentioned that she could learn much more from testing the family’s blood today, since DNA technology had advanced so much since the seventies.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot