seventy
Americannoun
-
a cardinal number, 10 times 7.
-
a symbol for this number, as 70 or LXX.
-
a set of this many persons or things.
-
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.
-
the Seventy, the body of scholars who produced the Septuagint.
adjective
noun
-
the cardinal number that is the product of ten and seven See also number
-
a numeral, 70, LXX, etc, representing this number
-
(plural) the numbers 70–79, esp the 70th to the 79th year of a person's life or of a particular century
-
the amount or quantity that is seven times as big as ten
-
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:
"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
Among the seventy invitees were Farah Diba Pahlavi, widow of Iran’s last shah, former French culture minister Frédéric Mitterrand, and a scattering of aristocrats and artists.
From The Wall Street Journal ● Oct. 18, 2025
The application of boron in organic chemistry dates back some seventy years and was awarded a Nobel Prize for Chemistry in 1979.
From Science Daily ● May 8, 2024
He crouched down in preparation, and then, from hops seventy through seventy-six, he rose up in the air just as she did and landed at the same time too.
From "The Very, Very Far North" by Dan Bar-el
![]()
When the time finally came, they devised a brightly coloured world filled with seventies stylings.
From Barron's ● Apr. 12, 2026
Sure, but consider why today isn’t like the seventies.
From The Wall Street Journal ● Feb. 3, 2026
The album was “Transference,” its cover a grainy seventies tableau — a boy slinking low in a golden wingback chair, viridian curtains pooling behind him, a table lamp casting an almost aggressively orange glow.
From Salon ● Dec. 30, 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
He turned the radio on and hummed to old songs from the seventies, snapping his fingers, and sometimes even singing some of the words.
From "The Boy in the Black Suit" by Jason Reynolds
![]()
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.