in·​clu·​sion | \ in-ˈklü-zhən How to pronounce inclusion (audio) \

Definition of inclusion

1 : the act of including : the state of being included
2 : something that is included: such as
a : a gaseous, liquid, or solid foreign body enclosed in a mass (as of a mineral)
b : a passive usually temporary product of cell activity (such as a starch grain) within the cytoplasm or nucleus
3 : a relation between two classes that exists when all members of the first are also members of the second — compare membership sense 3
4 : the act or practice of including students with disabilities in regular school classes

Keep scrolling for more

Other Words from inclusion

inclusionary \ in-​ˈklü-​zhə-​ner-​ē How to pronounce inclusionary (audio) \ adjective

Examples of inclusion in a Sentence

Recent Examples on the Web

To allow for more inclusion in the Games, the IOC announced in 2014 a number of changes to the structure and format of the Olympics that would begin in 2020. Jenny Mccoy, SELF, "These Are the New Sports We May See at the 2024 Summer Olympics," 27 Feb. 2019 This is a movie about inclusion and teamwork and trust and finding your true role in life. Bill Goodykoontz, azcentral, "We rank every movie in the Marvel Cinematic Universe, from worst to best," 6 July 2018 In addition to offering yearlong sports programming for over 20,000 athletes, Special Olympics Northern California also offers health screenings and promotes inclusion on school campuses. Adesuwa Agbonile, sacbee, "Built on volunteer efforts, Special Olympics bring smiles and empowerment to UC Davis," 22 June 2018 You must be equipped to address all of this candidly and honestly to gain the trust of your team and promote the inclusion of all. Marinel De Jesus, Outside Online, "Outdoor Companies: Get Smart About Hiring," 8 June 2018 This is not a desire for freedom from a system, but a desire for inclusion within it. Dana Snitzky, Longreads, "This Month in Books: ‘How Do We Stay the Right Distance Apart?’," 8 May 2018 Monae’s music is a reminder that America was built on the idea of inclusion. Greg Kot,, "Janelle Monae at the Chicago Theatre: Outcasts unite," 6 July 2018 They were showered with gales of confetti and cheerful messages of inclusion. Bill Brownlee, kansascity, "Kesha and Macklemore delight fans with glitz, love and a dash of the ‘Good Old Days’," 27 June 2018 Thankfully, inclusion on the list has typically been a huge asset, as only a few of the roughly 300 sites listed have been lost. Patrick Sisson, Curbed, "National Trust’s List of 11 Most Endangered Places includes Route 66, Mount Vernon," 26 June 2018

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

See More

First Known Use of inclusion

15th century, in the meaning defined at sense 1

History and Etymology for inclusion

Latin inclusion-, inclusio, from includere

Keep scrolling for more

Learn More about inclusion

Statistics for inclusion

Last Updated

10 May 2019

Look-up Popularity

Time Traveler for inclusion

The first known use of inclusion was in the 15th century

See more words from the same century

Keep scrolling for more

More Definitions for inclusion


in·​clu·​sion | \ in-ˈklü-zhən How to pronounce inclusion (audio) \

Kids Definition of inclusion

1 : an act of taking in as part of a whole : the state of being taken in as part of a whole She suggested inclusion of an entry.
2 : something taken in as part of a whole


in·​clu·​sion | \ in-ˈklü-zhən How to pronounce inclusion (audio) \

Medical Definition of inclusion

: something that is included especially : a passive usually temporary product of cell activity (as a starch grain) within the cytoplasm or nucleus

Keep scrolling for more

More from Merriam-Webster on inclusion

Rhyming Dictionary: Words that rhyme with inclusion

Spanish Central: Translation of inclusion

Nglish: Translation of inclusion for Spanish Speakers

Britannica English: Translation of inclusion for Arabic Speakers

Comments on inclusion

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


to make a payment or contribution

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!