EXPANSION Synonyms: 125 Similar and Opposite Words

expansion

noun

ik-ˈspan(t)-shən

Definition of expansion

as in increase

something added (as by growth) the museum's new wing is only the first in a series of expansions planned for the next decade

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in evolution

the act or process of going from the simple or basic to the complex or advanced the expansion of remedial reading classes into a district-wide program using school volunteers for a variety of needs

Synonyms & Similar Words

Antonyms & Near Antonyms

as in expanse

a wide space or area we gazed in awe at the star-strewn expansion of nighttime sky above us

Synonyms & Similar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of expansion This development coincides with the expansion of China’s hydrogen industry. — Sujita Sinha, Interesting Engineering, 11 Sep. 2026 That’s because California has dramatically increased the resiliency of its electrical grid through a significant expansion in battery energy storage. — Jack Dolan, Los Angeles Times, 11 Sep. 2026 Bringing passenger service to Moline also tees up potential expansions to Iowa City, Des Moines and Omaha, if Iowa and Nebraska officials choose to pursue them. — Daniel C. Vock, Chicago Tribune, 11 Sep. 2026 Above all has been the uncontrolled expansion of executive power. — Daniel Benjamin, Foreign Affairs, 11 Sep. 2026 See All Example Sentences for expansion

Recent Examples of Synonyms for expansion

Noun

The penalty tax is a scale that progressively increases based on how many millions a team is over the luxury-tax threshold.

— Hunter Patterson, New York Times, 11 Sep. 2026
After adjusting for demographic, lifestyle, health and environmental factors, the researchers found that any increase in light exposure above 3 lux during nighttime sleep was associated with measurable, subtle cardiac damage.

— Barbara Mantel, NBC news, 10 Sep. 2026

Definition of increase

Noun

Gauff knocked the ball into a rectangular expanse of blue, as Jović stood in the doubles alley and doubled over to her knees, trying to catch her breath.

— Matthew Futterman, New York Times, 8 Sep. 2026
On Florida’s Paradise Coast, an expanse of shoreline running from Naples to the Everglades on the state’s southwest coast, lies Marco Island.

— Tara Massouleh McCay, Southern Living, 4 Sep. 2026

Definition of expanse

Noun

But Dejan Kulusevski is back in full training in a boost to head coach Roberto De Zerbi, while the club boosted their forward options with the signings of Savio and Omar Marmoush from Manchester City during the window.

— Elias Burke, New York Times, 9 Sep. 2026
The average survey respondent projects a significant boost in productivity and economic growth but also a substantial disruption to workers in AI-sensitive fields.

— Scott Horsley, NPR, 9 Sep. 2026

Definition of boost

Noun

The development will be built in phases and is planned to cover about 350,000 square meters when fully developed.

— Neetika Walter, Interesting Engineering, 9 Sep. 2026
The funds will support the expansion and modernization of airport infrastructure, accelerate the development of Adani Airport City projects and scale passenger-facing and other non-aeronautical businesses, including ground handling.

— Jenny Lee, CNBC, 9 Sep. 2026

Definition of development

Noun

The back end should be able to move the puck better and avoid long stretches in their own end, and assuming relative health, other players like Braden Schneider will no longer have to play too high in the lineup.

— Peter Baugh, New York Times, 9 Sep. 2026
Two of the four runways are shut down, as well as a stretch of 67th Avenue along the perimeter due to the crash scene.

— Miami Herald Staff, Miami Herald, 8 Sep. 2026

Definition of stretch

Noun

According to Ecuador's government, around 56,000 people in the country are visually impaired, and while blind people have been able to find work with increasing success, their inclusion in sports is still a work in progress.

— Arkansas Online, Arkansas Online, 11 Sep. 2026
After two jumps/throws, only the top six progress, and that is whittled down to four for the final attempt.

— Liam Tharme, New York Times, 11 Sep. 2026

Definition of progress

Browse Nearby Words

expanses

expansion

expansions

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Style

“Expansion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/expansion. Accessed 12 Sep. 2026.

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Synonyms of expansion

noun

Example Sentences

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