expand

verb
ex·​pand | \ ik-ˈspand How to pronounce expand (audio) \
expanded; expanding; expands

Definition of expand

transitive verb

1 : to open up : unfold
2 : to increase the extent, number, volume, or scope of : enlarge
3a : to express at length or in greater detail
b : to write out in full expand all abbreviations
c : to subject to mathematical expansion expand a function in a power series

intransitive verb

1 : to open out : spread
2 : to increase in extent, number, volume, or scope
3 : to speak or write fully or in detail expanded on the theme
4 : to feel generous or optimistic

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Other Words from expand

expandability \ ik-​ˌspan-​də-​ˈbi-​lə-​tē How to pronounce expandability (audio) \ noun
expandable \ ik-​ˈspan-​də-​bəl How to pronounce expandable (audio) \ adjective

Choose the Right Synonym for expand

expand, amplify, swell, distend, inflate, dilate mean to increase in size or volume. expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts). a business that expands every year amplify implies the extension or enlargement of something inadequate. amplify the statement with details swell implies gradual expansion beyond a thing's original or normal limits. the bureaucracy swelled to unmanageable proportions distend implies outward extension caused by pressure from within. a distended abdomen inflate implies expanding by introduction of air or something insubstantial and suggests a vulnerability to sudden collapse. an inflated ego dilate applies especially to expansion of circumference. dilated pupils

Examples of expand in a Sentence

The liquid expands and contracts with changes in temperature. His business has expanded to serve the entire state. The coffee shop may expand into a full restaurant. He has expanded his business to serve the entire state. There are plans to expand the airport. The police have decided to expand their investigation. She plans to expand the lecture series into a book. Expand the abbreviation “deg.” to “degree.”
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Recent Examples on the Web

Come Christmas of next year, the platoon of little green army men will be expanded to include little green army women, thanks in part to a six-year-old girl. Brigit Katz, Smithsonian, "‘Little Green Army Men’ Will Soon Feature Female Toy Soldiers," 17 Sep. 2019 Most of the 180 cities and townships fall into the category of beneficiaries, meaning their tax bases are expanded rather than diminished by the pool. Peter Krouse, cleveland.com, "Twin Cities tax sharing creates winners and losers - or maybe everybody wins: Cleveland 2030, A Way Forward," 17 Sep. 2019 As case numbers mounted, however, the age range has expanded. Emily Willingham, Scientific American, "Hunt for Cause of Vaping Illness Suggests Multiple Mechanisms of Damage," 17 Sep. 2019 Today, Araquette has expanded beyond residential interior design to include small commercial design, home and event staging, and custom artwork. Lyndi Mcnulty, baltimoresun.com/maryland/carroll, "An Eye for Art: Michele Araquette turned from finance to fine art, created interior design businesses," 16 Sep. 2019 The organization, which championed tobacco interests during the 1980s and 1990s in Europe and the United States, has more recently expanded its activities in Asia and Latin America, regions that provide a growing share of food company profits. Andrew Jacobs, New York Times, "A Shadowy Industry Group Shapes Food Policy Around the World," 16 Sep. 2019 Over the years, critics have questioned the expanding role of the military in the business world and economic interests and the seemingly unfair competition with the country’s private sector. Washington Post, "Egypt’s el-Sissi dismisses corruption allegations," 14 Sep. 2019 First America Homes, the home building division of the Signorelli Company, has expanded its affordable new home program and is currently preselling in Towne Park, a new home community in Northeast Houston. Houston Chronicle, "First America Homes now preselling in Towne Park," 14 Sep. 2019 The program’s network of nonprofit and fully accredited universities and learning providers also has expanded with the recent addition of University of Arizona. Advertorial, Orange County Register, "Cast Members Celebrate One Year of Disney Aspire," 13 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expand.' 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 expand

15th century, in the meaning defined at transitive sense 1

History and Etymology for expand

Middle English expaunden, from Latin expandere, from ex- + pandere to spread — more at fathom

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Learn More about expand

Statistics for expand

Last Updated

20 Oct 2019

Look-up Popularity

Time Traveler for expand

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

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More Definitions for expand

expand

verb

English Language Learners Definition of expand

: to increase in size, range, or amount : to become bigger
: to cause (something) to increase in size, range, or amount : to make (something) bigger
: to write (something) in full form

expand

verb
ex·​pand | \ ik-ˈspand How to pronounce expand (audio) \
expanded; expanding

Kids Definition of expand

1 : to grow or increase in size, number, or amount The airport is expanding.
2 : to open wide : unfold The eagle's wings expanded.
3 : to take up or cause to take up more space Metals expand under heat.
4 : to speak or write about in greater detail Would you expand on that idea?

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More from Merriam-Webster on expand

Rhyming Dictionary: Words that rhyme with expand

Thesaurus: All synonyms and antonyms for expand

Spanish Central: Translation of expand

Nglish: Translation of expand for Spanish Speakers

Britannica English: Translation of expand for Arabic Speakers

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