seventeenth

American  

[sev-uhn-teenth] / ˈsɛv ənˈtinθ /

adjective

1. next after the sixteenth; being the ordinal number for 17.

2. being one of 17 equal parts.

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noun

• seventeenths
  plural

1. a seventeenth part, especially of one (1/17).

2. the seventeenth member of a series.

seventeenth British  

/ ˈsɛvənˈtiːnθ /

adjective

1. (usually prenominal)

   1. coming after the sixteenth in numbering or counting order, position, time, etc; being the ordinal number of seventeen: often written 17th

   2. ( as noun )

      the ship docks on the seventeenth

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noun

1. 1. one of 17 approximately equal parts of something

   2. ( as modifier )

      a seventeenth part

2. the fraction equal to one divided by 17 ( 1/ 17 )

Other Word Forms

Noun Inflected Forms

• seventeenths
  plural

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Etymology

Origin of seventeenth

before 900; seventeen + -th ²; replacing Middle English seventethe, Old English seofontēotha. ( see seven, tithe)

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Example Sentences

See Examples For:

seventeenth seventeenths

In the seventeenth season of “It’s Always Sunny in Philadelphia,” the gang is back and more gourmet than ever.

From Salon ● Jul. 22, 2025

If you have friends who appreciate their Irish heritage, you might have a party to attend, but otherwise, March seventeenth is nothing more than a good day to believe in magical happenings and happy accidents.

From Salon ● Mar. 12, 2024

Ever since Antonie van Leeuwenhoek discovered the world of bacteria through a microscope in the late seventeenth century, humans have tried to look deeper into the world of the infinitesimally small.

From Science Daily ● Oct. 18, 2023

These attitudes started undergoing significant changes in the sixteenth and seventeenth centuries, mostly as a result of the incredible success of overseas corporations, groups that generated enormous wealth outside of the auspices of mercantilist theory.

From Textbooks ● Jan. 1, 2020

Five fundamental changes thus interacted and interlocked in the course of the seventeenth century to produce modern science.

From "The Invention of Science" by David Wootton

A whole lot of thirty-thirds and seventeenths is what.

From Time Magazine Archive

A string of thirty-thirds and seventeenths made up Bruce's debut until the tour went to France, where his true potential was displayed for everyone to see.

From Time Magazine Archive

She contributes five, and Sweden twelve, seventeenths of the support of the royal family.

From Due North or Glimpses of Scandinavia and Russia by Maturin Murray Ballou

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