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Synonyms

fortnightly

American  
[fawrt-nahyt-lee] / ˈfɔrtˌnaɪt li /

adjective

  1. occurring or appearing once a fortnight.

adverb

  1. once a fortnight.

noun

plural

fortnightlies

  1. a periodical issued every two weeks.

fortnightly British  
/ ˈfɔːtˌnaɪtlɪ /

adjective

  1. occurring or appearing once each fortnight

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. once a fortnight

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a publication issued at intervals of two weeks

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fortnightly

First recorded in 1790–1800; fortnight + -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nutritional physiology researcher Dr Freyja Haigh said they had not seen a detriment to Mr James' overall health from the fortnightly blood samples he sent to them.

From BBC • Nov. 1, 2025

The site's operator said monitoring continued to be done on a fortnightly basis.

From BBC • Oct. 23, 2025

Evyatar is a former news editor and columnist at the Jerusalem Post, and the former editor in chief of its fortnightly magazine, the Jerusalem Report.

From Salon • Jul. 9, 2025

Their fortnightly national news show is presented by reporters who have learning disabilities or are autistic.

From BBC • Oct. 19, 2024

Now they were demanding monthly and even fortnightly reports, and pestered him constantly about the wisdom of his pessimism.

From "The Big Short" by Michael Lewis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.