in·​clu·​sion | \ in-ˈklü-zhən \

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

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Other Words from inclusion

inclusionary \ in-​ˈklü-​zhə-​ner-​ē \ adjective

Examples of inclusion in a Sentence

Recent Examples on the Web

Companies should make diversity and inclusion a part of their mission, supported by top management and deeply embedded throughout the organization. Diya Khanna, The Seattle Times, "Would you hire me if you were blindfolded?," 20 Nov. 2018 And today, amid a tense and divisive political climate, the sound of resistance has as much to do with inclusion as with strict opposition. Los Angeles Times Staff,, "Political music in the age of Trump — in Los Angeles and beyond," 29 June 2018 Look at our track record on diversity and inclusion. Matthew Belloni, The Hollywood Reporter, "AT&T’s John Stankey Talks WarnerMedia Plans, Netflix Spending, DC Movies and CNN Politics," 18 June 2018 Colleagues, clients and community are strategic priorities for diversity and inclusion, Anderson said. Debra Gelbart, azcentral, "Voya: Top Diversity Initiative Winner," 7 June 2018 Messages of activism were present with the inclusion of Somali-American politician Ilhan Omar, transgender actress Trace Lysette, Muslim entrepreneur Amani Al-Khatahtbeh, and activist Angy Rivera. Melissa Minton, Glamour, "Maroon 5 Releases Surprise Music Video for "Girls Like You"," 31 May 2018 West Ham midfielder Manuel Lanzini has been rewarded for his good performances over the course of last season with an inclusion., "Mauro Icardi Misses Out as Argentina Name Final 23-Man Squad for 2018 FIFA World Cup," 21 May 2018 The human element of gold-hunting is included in the exhibit with the inclusion of historical gold-finding tools such as pans, candles, a surveyor’s chain, a scale. Susan Dunne,, "Yale Peabody Displays 'California Gold'," 6 May 2018 That dedication to inclusion and diversity came through in the story. Michelle Iracheta, Houston Chronicle, "Woodlands child’s author sends message of inclusivity," 5 July 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.

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First Known Use of inclusion

15th century, in the meaning defined at sense 1

History and Etymology for inclusion

Latin inclusion-, inclusio, from includere

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Statistics for inclusion

Last Updated

18 Jan 2019

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Time Traveler for inclusion

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

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More Definitions for inclusion


in·​clu·​sion | \ in-ˈklü-zhən \

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 \

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

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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

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tremendous in size, volume, or degree

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