mod·​i·​fi·​ca·​tion | \ ˌmä-də-fə-ˈkā-shən How to pronounce modification (audio) \

Definition of modification

1 : the limiting of a statement : qualification with some modifications this statement is true today— J. B. Conant
3a : the making of a limited change in something making the exactly minimum degree of modification to her institutions necessary to fit them to new conditions— John Strachey also : the result of such a change
b : a change in an organism caused by environmental factors
4 : a limitation or qualification (see qualification sense 1) of the meaning of a word by another word, by an affix, or by internal change

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Examples of modification in a Sentence

The program can be used on all computers without modification. They passed the law with only a few minor modifications. The weather required some major modifications to our travel plans.
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Recent Examples on the Web

At the individual level, FaceApp is the most famous and notorious deepfake face-modification app to date. Colum Murphy And Zheping Huang / Bloomberg, Time, "Social Media Users Entranced, Concerned by Chinese Face-Swapping Deepfake App," 4 Sep. 2019 The public transportation entity will also buy battery chargers/dispensers and complete facility modifications to support the technology. USA TODAY, "Cat burglar, prison bats, USS Arizona Memorial: News from around our 50 states," 4 Sep. 2019 At the individual level, FaceApp is the most famous and notorious deepfake face-modification app to date. Colum Murphy, Los Angeles Times, "China’s red-hot face-swapping app provokes privacy concern," 2 Sep. 2019 The Fire Department is in the process of obtaining permits to add fuel modification zones, Brown said. Daily Pilot, "Laguna Beach calls on a third herd of goats to eat up dry brush," 28 Aug. 2019 Finally, Dansby went to a body modification shop to have a professional piercer insert the implant into her arm through a hollow needle. Courtney Linder, Popular Mechanics, "Why This Software Engineer Implanted a Tesla Valet Key Into Her Arm," 14 Aug. 2019 Genetic-engineering: Neom would host a genetic-modification project of some sorts. James Vincent, The Verge, "Robot cage fights and flying taxis: leaked documents reveal Saudi Arabia’s plans for its next megacity," 26 July 2019 The ocean-facing porch was Scheerer’s first modification. Hadley Keller, House Beautiful, "A Top Designer Outfitted This Maine Cottage in Just Days," 28 June 2019 Norris Sweidan demonstrates one of the modification kits that allow shooters to quickly replace magazines even with the bullet-button ban. Zusha Elinson And Cameron Mcwhirter, WSJ, "Gun Makers Adjust Rifles to Skirt Bans," 21 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'modification.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of modification

1603, in the meaning defined at sense 1

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Statistics for modification

Last Updated

13 Sep 2019

Look-up Popularity

Time Traveler for modification

The first known use of modification was in 1603

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More Definitions for modification



English Language Learners Definition of modification

: the act or process of changing parts of something : the act or process of modifying something
: a change in something (such as a system or style)


mod·​i·​fi·​ca·​tion | \ ˌmä-də-fə-ˈkā-shən How to pronounce modification (audio) \

Kids Definition of modification

1 : the act or process of changing parts of something
2 : a slightly changed form


mod·​i·​fi·​ca·​tion | \ ˌmäd-ə-fə-ˈkā-shən How to pronounce modification (audio) \

Medical Definition of modification

1 : the act or result of modifying something
2 : a change in an organism that is not inherited and that is caused by the influence of its environment

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Comments on modification

What made you want to look up modification? Please tell us where you read or heard it (including the quote, if possible).


miscellaneous remnants or debris

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