seventieth

[sev-uh n-tee-ith]

adjective

next after the sixty-ninth; being the ordinal number for 70.
being one of 70 equal parts.

noun

a seventieth part, especially of one (1/70).
the seventieth member of a series.

Origin of seventieth

First recorded in 1250–1300, seventieth is from the Middle English word seventithe. See seventy, -eth²

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for seventieth

Contemporary Examples of seventieth

It would seem, at best, an uneasy fit: Paul Newman and his seventieth birthday, this month.
The Stacks: The Eyes of Winter: Paul Newman at 70
Peter Richmond
October 11, 2014

Historical Examples of seventieth

December 29, 1879, Mr. Gladstone attained the seventieth year of his age.
The Grand Old Man
Richard B. Cook
On his seventieth birthday Mr. Bright justified what he called the policy of 1846.
Captains of Industry
James Parton
There he remained till his death in 929, in the seventieth year of his age.
Shakespeare's Family
Mrs. C. C. Stopes
On his seventieth birthday Mark Twain was dazzled by his liberty.
The Ordeal of Mark Twain
Van Wyck Brooks
He died in that city on the 9th of August 1672, in the seventieth year of his age.
Letters of Samuel Rutherford
Samuel Rutherford

British Dictionary definitions for seventieth

seventieth

adjective

(usually prenominal)
1. being the ordinal number of seventy in numbering or counting order, position, time, etc: often written 70th
2. (as noun)the seventieth in line

noun

1. one of 70 approximately equal parts of something
2. (as modifier)a seventieth part
the fraction equal to one divided by 70 (1/70)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for seventieth

adj.

late 13c., from seventy + -th (1).