seventieth

[ sev-uhn-tee-ith ]

adjective

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

noun

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

ˈseventieth

/ ˈsɛvəntɪɪθ /

adjective

1. 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. 1. one of 70 approximately equal parts of something
   2. ( as modifier )

      a seventieth part

2. the fraction equal to one divided by 70 ( 1 70 )

Word History and Origins

Origin of seventieth¹

First recorded in 1250–1300, seventieth is from the Middle English word seventithe. See seventy, -eth ²

Example Sentences

It would seem, at best, an uneasy fit: Paul Newman and his seventieth birthday, this month.

From The Daily Beast

On his seventieth birthday Mr. Bright justified what he called the policy of 1846.

From Project Gutenberg

Sir Peregrine himself at this time was an old man, having passed his seventieth year.

From Project Gutenberg

A number of more or less notable things happened in this, Mark Twain's seventieth year.

From Project Gutenberg

His wife was a writer of ability and after reaching her seventieth year wrote a book of poems.

From Project Gutenberg

In other places he says that Mrs. Thrale's thirty-fifth year coincided with Johnson's seventieth.

From Project Gutenberg