fortnight

noun

fort·​night ˈfȯrt-ˌnīt 

: a period of 14 days : two weeks

They stayed with us for a fortnight.

Examples of fortnight in a Sentence

Recent Examples on the Web

China also pays plasma donors, but caps donations at every fortnight, up to 24 times a year – far fewer times than the US, where donors can roll up their sleeves up to twice a week, 104 times a year. — Cnn Staff, CNN Money, 23 Aug. 2026

By the time the Liverpool game kicks off, Jaissle will still have only been in Newcastle for a fortnight. — Chris Waugh, New York Times, 21 Aug. 2026

If the Supreme Court fails to address the issue within a fortnight, without Congressional approval, construction on the ballroom must cease. — News Desk, Artforum, 10 Aug. 2026

In the past fortnight, the US has launched nightly air strikes, renewed the blockade of Iranian ships crossing the Strait of Hormuz, and reimposed sanctions. — The Week Uk, TheWeek, 25 July 2026

Word History

Etymology

Middle English fourtenight, alteration of fourtene night, from Old English fēowertȳne niht fourteen nights

First Known Use

before the 12th century, in the meaning defined above

Rhymes for fortnight

• affright
• airtight
• albite
• alight
• alright
• aplite
• aright
• bainite
• birthright
• bobwhite
• bornite
• bullfight

Kids Definition

fortnight

noun

fort·​night ˈfōrt-ˌnīt 

ˈfȯrt-

: a period of 14 days : two weeks

fortnightly

-lē

adverb or adjective

Etymology

Old English fēowertȳne niht "fourteen nights"