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

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

2. the seventeenth member of a series.

Etymology

Origin of seventeenth

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

Example Sentences

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

In the seventeenth century, Thomas Hobbes pegged laughter as the companion of scorn.

From Salon • Nov. 18, 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

Already by the seventeenth century, former prejudices against coal as dirty and distasteful had given way to the necessity of its use as a fuel source for heat.

From Textbooks • Jan. 1, 2020

I lay in that tub on the seventeenth floor of this hotel for-women-only, high up over the jazz and push of New York, for near onto an hour, and I felt myself growing pure again.

From "The Bell Jar" by Sylvia Plath