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 The Kenya pipeline expansion is part of Dangote’s plan to own a distribution network that includes regional tank farms and other pipelines that will connect the group’s refineries to prospective markets across the continent. — Alexander Onukwue, semafor.com, 23 Oct. 2026 Holscher said her Republican opponent, Ty Masterson, has blocked its expansion and that his votes have cost Kansas nearly $8 billion in federal funding. — Kansas City Star, 23 Oct. 2026 In an interview with Lindsay Carter, founder and chief executive officer of Set Active, said the brand’s expansion is an opportunity to connect with its community and introduce it to new consumers. — Kanika Talwar, Footwear News, 23 Oct. 2026 The expansion illustrates how international companies are looking beyond China for new customers while using their existing Chinese manufacturing operations to serve neighboring markets. — Jenny Lee,evelyn Cheng, CNBC, 23 Oct. 2026 See All Example Sentences for expansion

Recent Examples of Synonyms for expansion

Noun

Maine, North Carolina and Ohio also have seen increases of more than 30% in early in-person and mail voting compared with the same point in 2022.

— Arkansas Online, Arkansas Online, 23 Oct. 2026
Washington State reported a much lower $86 million for 2026; however, that’s an increase of $11 million from 2025, as the athletic department has returned to a budget equal to the final year of the old Pac-12 in fiscal 2024.

— Shaun Goodwin, Idaho Statesman, 22 Oct. 2026

Definition of increase

Noun

The study continued that natural selection, genetic drift, and recombination biases shape the evolution of nonribosomal peptides, a class of compounds used in antibiotics such as penicillin, as well as toxins.

— Maria Mocerino, Interesting Engineering, 24 Oct. 2026
The cutting-edge building details the city’s evolution from a humble fishing village to a bustling metropolis with over 18 million residents.

— Condé Nast, Condé Nast Traveler, 23 Oct. 2026

Definition of evolution

Noun

Deciduous trees the color of fresh green apples line the riverbank, then dot the vast expanses of conifer forest that stretch up into the hills.

— Literary Hub, Literary Hub, 16 Oct. 2026
Everything is a little bit more rivets and angles, a little bit less wide expanse.

— Sarah Shachat, IndieWire, 13 Oct. 2026

Definition of expanse

Noun

This year, thanks to the surge in oil prices caused by the war in Iran, Diamondback’s second-quarter profits per share more than doubled from last year; Wall Street expects another boost when third-quarter earnings are released in a few weeks.

— Tim McDonnell, semafor.com, 22 Oct. 2026
The biggest gains are in the Nasdaq , which is getting a boost from SpaceX's 8% post-earnings pop and gains in chip stocks.

— Jeff Marks, CNBC, 21 Oct. 2026

Definition of boost

Noun

Concerns over disruptions to oil flows have kept a geopolitical risk premium embedded in crude prices, with traders closely monitoring developments in the region.

— Lee Ying Shan, CNBC, 28 Oct. 2026
The statement said development work could continue on the property once the court proceedings have concluded.

— Matthew Adams, Fort Worth Star-Telegram, 28 Oct. 2026

Definition of development

Noun

The ad is characteristic of the increasingly dark tone Hilton’s campaign has taken on in the home stretch.

— Ben Paviour, Sacbee.com, 28 Oct. 2026
Italy’s Webuild, Portugal’s Mota-Engil, and Turkey’s İçtaş were picked as the preferred bidders for Zambia’s 515-kilometer brand-new stretch of the Lobito railway.

— Tiisetso Motsoeneng, semafor.com, 27 Oct. 2026

Definition of stretch

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 28 Oct. 2026.

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Synonyms of expansion

noun

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