modification

noun

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

1

: the limiting of a statement : qualification

with some modifications this statement is true today

—J. B. Conant

2

: mode entry 1 sense 6a

3

a

: 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

Synonyms

• alteration
• change
• difference

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.

Recent Examples on the Web

Those changes included uniform modifications and standards that differed from location to location. —Peter Burke, FOXNews.com, 10 July 2025

Weather modification, commonly referred to as cloud seeding, is an eco-friendly method used to increase precipitation—such as rain or snow—from clouds, according to the North American Weather Modification Council (NAWMC). —Joe Edwards, MSNBC Newsweek, 9 July 2025

Analysts cautioned, however, about the high degree of certainty surrounding that path forward for inflation, noting the frequent modifications of Trump’s tariff policy. —Max Zahn, ABC News, 8 July 2025

There are no modifications to carried interest treatment, corporate tax rates or stock buyback excise taxes. —Robert Daugherty, Forbes.com, 5 July 2025

Word History

First Known Use

1603, in the meaning defined at sense 1

Phrases Containing modification

• behavioral modification
• behavior modification
• genetic modification
• pre-modification

Rhymes for modification

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Kids Definition

modification

noun

mod·​i·​fi·​ca·​tion ˌmäd-ə-fə-ˈkā-shən 

1

a

: the act of modifying

b

: the state of being modified

2

: the limiting of a statement : qualification

3

: the result of modifying : partial change

modification of plans

Medical Definition

modification

noun

mod·​i·​fi·​ca·​tion ˌmäd-ə-fə-ˈkā-shən 

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