SUBSTANTIALLY Synonyms: 57 Similar and Opposite Words

substantially

adverb

Definition of substantially

as in mostly

for the most part the Little House books are substantially based on the memories of Laura Ingalls Wilder

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

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Recent Examples of substantially The strongest applicants may qualify for rates in the low single digits, while borrowers with weaker credit may receive substantially higher offers. — Deane Biermeier, USA Today, 26 Aug. 2026 In practical terms, someone deliberately trying to conceal Claude's involvement could simply rewrite the output substantially. — New Atlas, 25 Aug. 2026 That mechanism has weakened substantially since the global financial crisis, and particularly since 2020. — Nick Lichtenberg, Fortune, 25 Aug. 2026 Nirat/Getty Images Paying for college has changed substantially for borrowers over the last few years — and some big changes went into effect recently. — Angelica Leicht, CBS News, 25 Aug. 2026 Investors worldwide fret that tech firms’ revenues are struggling to keep up with the AI spending spree, which has added substantially to their debt piles, part of the reason some have pivoted to selling equity as Google also did in June. — Jeronimo Gonzalez, semafor.com, 24 Aug. 2026 Ukrainian President Volodymyr Zelensky said on Sunday that his country is receiving substantially fewer Patriot defense systems, even as Russian ballistic attacks are increasing. — Sylvia Hui, Los Angeles Times, 24 Aug. 2026 According to Rockford Map, a company that publishes plat maps and plat books, counties began developing plat books in the 1850s, and their use grew substantially in the last quarter of the 19th century. — Susan Sarkauskas, Chicago Tribune, 24 Aug. 2026 Ukrainian President Volodymyr Zelenskyy said on Sunday that his country is receiving substantially fewer Patriot defense systems, even as Russian ballistic attacks are increasing. — ABC News, 24 Aug. 2026

Recent Examples of Synonyms for substantially

Adverb

The National Weather Service has issued an extreme heat warning that applies to more than 1 million people in San Diego County, mostly across inland valleys, foothills and mountains where high temperatures will approach or exceed 95 to 114 degrees.

— Gary Robbins, San Diego Union-Tribune, 26 Aug. 2026
After all, horror isn’t exactly a Broadway staple and producers have mostly given up that particular ghost.

— Frank Rizzo, Variety, 26 Aug. 2026

Definition of mostly

Adverb

Treasury is managing yields, which looks like monetary policy, while the Fed’s balance sheet works mainly through the composition of government debt, which looks like fiscal policy.

— James Broughel, Forbes.com, 22 Aug. 2026
The center also receives waste such as leaves and construction materials and processes them into new products, mainly compost and cattle bedding.

— Rose Evans August 21, Idaho Statesman, 21 Aug. 2026

Definition of mainly

Adverb

The economic outlook is also largely positive despite the ongoing conflict in the Middle East.

— Kathryn Hopkins, Footwear News, 21 Aug. 2026
Other sailors described to CNN conditions unlike their previous deployments, largely because of the war, which stopped the ship from making stops at friendly ports.

— Billy Stockwell, CNN Money, 21 Aug. 2026

Definition of largely

Adverb

Today, other drugs are more often deployed, chiefly benzodiazepines or the benzodiazepine Clonazepam, which also render a person zombie-like and more reliably submissive.

— Mattha Busby, Rolling Stone, 19 Aug. 2026
Beyond overall car performance, a pressing concern for Cadillac this year has been reliability, chiefly recurring brake overheating issues (below).

— Luke Smith, New York Times, 19 Aug. 2026

Definition of chiefly

Adverb

The duties also apply to kraftliner, which is a strong paperboard, primarily used in the outer layer of cardboard boxes.

— Elisabeth Buchwald, CNN Money, 24 Aug. 2026
The city began planning the renovation of 16th Street in 2007, primarily attributing the increasing maintenance costs of its granite paver surface as the need for it.

— Logan Smith, CBS News, 23 Aug. 2026

Definition of primarily

Adverb

In the aftermath of World War II, looking Asian was considered a liability in their predominantly white town.

— Tommy Orange, Vulture, 26 Aug. 2026
Monochromatic features carry through with lighter gray eyestay clips and netting, as well as a predominantly black midsole, TPU wings and lining.

— Ian Servantes, Footwear News, 26 Aug. 2026

Definition of predominantly

Adverb

Asians generally have longer life expectancies than those outside the region—but longer lives aren’t the same as healthier ones.

— Angelica Ang, Fortune, 26 Aug. 2026
Deployed as a No 10 and later as a striker, Wissa epitomised all that was good about Newcastle with his energy and drive, leaving a trail of Liverpool players in his wake in the lead-up to the second goal and generally inspiring those around him.

— Stuart James, New York Times, 25 Aug. 2026

Definition of generally

Adverb

Arsenal and Galatasaray have been in dialogue over several players, principally Martinelli — but there are no active negotiations over a potential transfer for Osimhen.

— Chris Weatherspoon, New York Times, 18 Aug. 2026
Trade along the route remains tiny compared with major throughways like the Suez Canal and is dominated by Russian oil and gas, which – along with a few other LNG buyers in Asia – principally flow to China.

— Simone McCarthy, CNN Money, 14 Aug. 2026