seventieth

American  

[sev-uhn-tee-ith] / ˈsɛv ən ti ɪθ /

adjective

1. next after the sixty-ninth; being the ordinal number for 70.

2. being one of 70 equal parts.

---

noun

• seventieths
  plural

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

2. the seventieth member of a series.

seventieth British  

/ 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 )

Other Word Forms

Noun Inflected Forms

• seventieths
  plural

---

Etymology

Origin of seventieth

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

---

Example Sentences

See Examples For:

seventieth seventieths

Because, as chance would have it, my mother-in-law requested a cruise through Alaska for her seventieth birthday this summer.

From Salon ● Jul. 4, 2025

The letter expresses the Queen Elizabeth II's "grateful thanks" for Charlie's "kind message on the occasion of the seventieth anniversary of my accession to the throne".

From BBC ● Sep. 17, 2022

On 26 August 2016, the club made an announcement – “beautifully timed in our seventieth anniversary” – that the game was up for good.

From The Guardian ● Sep. 26, 2017

On a sunny day in mid-June, the New York Yankees celebrated Old-Timers’ Day for the seventieth time.

From The New Yorker ● Jun. 18, 2016

But now his seventieth birthday was coming up, and he had agreed to have the celebration at Sofía's house.

From "How the García Girls Lost Their Accents" by Julia Alvarez

Then he read loudly:— “Ernesto Derossi, promoted, seventy seventieths, and the first prize.”

From Cuore (Heart) An Italian Schoolboy's Journal by Isabel Florence Hapgood

Random Word

Spin the wheel and learn a new word!

---