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

For the second time in a fortnight, the danger was backed up with results. —Zak Garner-Purkis, Forbes.com, 31 Aug. 2025

According to Kelce’s dad, the proposal actually occurred around two weeks — or a fortnight for those into adding more easter egg pursuits into the basket — prior to the couple’s public announcement on Tuesday. —Althea Legaspi, Rolling Stone, 27 Aug. 2025

Sunderland have never known a shake-up of personnel like this one in their 146 years, and there is still scope for more with a fortnight of the transfer window remaining. —The Athletic Uk Staff, New York Times, 20 Aug. 2025

The song from the Netflix musical first hit the top spot a fortnight ago, becoming the first K-pop No. 1 single in the U.K. for over 13 years. —Thomas Smith, Billboard, 16 Aug. 2025

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"