mod·i·fi·ca·tion | \ˌmä-də-fə-ˈkā-shən \

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

The new project is a return to form for the veteran MC, with some modifications. Kathy Iandoli, Billboard, "Lil' Kim Debuts New Track, 'Nasty One,' Talks Early Censorship & Everlasting Legacy," 11 July 2018 She won’t be graded, but asked to attempt every assignment, with modifications by Lepore’s team. Susan Snyder,, "'The choice should be there.' More colleges enroll students with intellectual disabilities," 25 June 2018 The method, with modifications, is still used in laboratories today. Aaron Gilbreath, Longreads, "We Are Scientists," 5 June 2018 Flatland consultant David Heilman recommended the riffle modification, which involves installing a sloping stepping stone system that mimics the elevation of the dam, but allows fish and sediment to wash over it. Carole Carlson, Post-Tribune, "Lake Station dam option retains river culture," 16 May 2018 The sport shares features of other racquet sports, the dimensions and layout of a badminton court and a net and rules somewhat similar to tennis, with some modifications., "Grand opening of permanent pickleball court slated for Monday," 5 May 2018 My workout buddies, most of whom were in their 60s and 70s, performed the very same movements, but with modifications. Zachary Lewis,, "216 Fitness establishes new connections with inclusive circuit training program: Stretching Out," 2 May 2018 In regular session, the council held a hearing and approved, with modifications, a plan to build a bluff retention device next to 235, 241 and 245 Pacific Ave. Laura Groch,, "How they voted, April 15," 15 Apr. 2018 Approving the site plan came with some modifications to the multitenant building that would be located on the west side of the lot, near Middlebelt. Hometown Life, Detroit Free Press, "Former Chi-Chi's site to become an Aldi after being vacant for a decade," 13 Apr. 2018

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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Last Updated

11 Oct 2018

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 \

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 \

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).


evasion of direct action or statement

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