seventy
Americannoun
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seventies
plural
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a cardinal number, 10 times 7.
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a symbol for this number, as 70 or LXX.
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a set of this many persons or things.
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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.
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the Seventy, the body of scholars who produced the Septuagint.
adjective
noun
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the cardinal number that is the product of ten and seven See also number
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a numeral, 70, LXX, etc, representing this number
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(plural) the numbers 70–79, esp the 70th to the 79th year of a person's life or of a particular century
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the amount or quantity that is seven times as big as ten
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something represented by, representing, or consisting of 70 units
determiner
Other Word Forms
Noun Inflected Forms
Etymology
Origin of seventy
1150–1200; Middle English; Old English seofontig. See seven, -ty 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
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
Over seventy million cubic meters of rubble left over from the war still marred the city's landscape.
From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau
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Nearby, racks of sequined jackets shimmer with slogans like "Make Heaven Crowded," worn by supporters well into their seventies who, for a few days at least, dress more like pop fans than retirees.
From Barron's ● Mar. 28, 2026
Given what my contemporaries and I experienced at our school in the seventies - a matter of public record - I am perfectly entitled to believe his accusers as a default.
From BBC ● Mar. 7, 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
The first was a road movie from the early seventies, about a man who leaves his wife to drive cross-country.
From "The Secret History" by Donna Tartt
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.