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 Agricultural production technologies and weather forecasting capabilities have also improved substantially, all of which could help the market absorb part of the supply shocks. — CNBC, 3 Sep. 2026 But Fitzwilliams believes Ferguson's latest controversy has placed her in a substantially more difficult position. — Lauryn Overhultz , Stephanie Nolasco, FOXNews.com, 1 Sep. 2026 There are more options today than there were even five years ago and the science on its safety and benefits has evolved substantially from what many of us were taught in training. — Dr. Jessica Shepherd, Flow Space, 1 Sep. 2026 The Future Factor Judge Leon concluded that the government had just failed to show that the AT&T-Time Warner merger would substantially lessen competition. — Ted Johnson, Deadline, 1 Sep. 2026 Agents can introduce substantially more runtime discretion over which tools to call, whom to contact, what to disclose and what to delegate. — Dr. Aditya Vikram Kashyap, Forbes.com, 1 Sep. 2026 But, by making up that 30% threshold, the case created the machinery to answer the question Congress wanted to address – whether a merger would substantially lessen competition. — Shubha Ghosh, Fortune, 31 Aug. 2026 Although the makeup of the New England power grid changed substantially over a quarter century, the report asserts that fossil fuel remains the principal source of generation. — Edmund H. Mahony, Hartford Courant, 31 Aug. 2026 Texas law allows courts to reject an arbitration award when, for example, the process substantially prejudiced a party’s rights, involved fraud or arbitrator misconduct, or exceeded the arbitrator’s authority. — Asma Uddin, The Conversation, 31 Aug. 2026

Recent Examples of Synonyms for substantially

Adverb

Details of the contract have been mostly kept secret, as both companies said the agreement contained confidential business information.

— Sydney Sasser, Arkansas Online, 1 Sep. 2026
Decades later, buses helped desegregate schools, hauling Black and white children across the country’s racial divide, a controversial practice that has mostly ended.

— Jeff McMurray, Los Angeles Times, 1 Sep. 2026

Definition of mostly

Adverb

Done with a cheek swab, blood draw or saliva sample, this testing mainly looks at liver enzymes that affect how the body metabolizes medicines.

— Jen Christensen, CNN Money, 29 Aug. 2026
It’s mainly centered on Billie, who is worried about an old Facebook post standing in the way of finding a job.

— Ben Rosenstock, Vulture, 28 Aug. 2026

Definition of mainly

Adverb

In the beginning, the team largely focused on fatal drunk-driving cases, Cherney said.

— Amanda Lee Myers, USA Today, 4 Sep. 2026
Beginning with the 2026-27 school year, Texas is moving away from a system that based special education funding largely on where and how students received services.

— Tiffani Jackson, Fort Worth Star-Telegram, 3 Sep. 2026

Definition of largely

Adverb

Many of the dozens missing in its environs were foreign nationals, chiefly Indian or Indian-origin pilgrims who were returning from, or preparing to make, the journey further into Tibet to Mount Kailash, a holy site for Hindus and Buddhists.

— Ishaan Tharoor, New Yorker, 29 Aug. 2026
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

Definition of chiefly

Adverb

Summary The Toronto Blue Jays are struggling to meet high expectations this season, primarily due to the unexpected offensive slump of star Vladimir Guerrero Jr.

— Peter Chawaga, Forbes.com, 30 Aug. 2026
Diamondback Energy Mehta is also bullish on Diamondback Energy, an independent oil and natural gas company focused on energy reserves that are primarily in the Permian Basin in West Texas.

— TipRanks.com Staff, CNBC, 30 Aug. 2026

Definition of primarily

Adverb

Two years later, Wong became one of the key leaders of the city’s Umbrella Movement protests that rallied thousands of predominantly young people to the streets to call for greater democracy by blocking major thoroughfares for 79 straight days.

— Chris Lau, CNN Money, 2 Sep. 2026
If the night had ended after that soaring anthem, few in the heavily female and predominantly middle-aged crowd could have complained.

— Théoden Janes, Charlotte Observer, 2 Sep. 2026

Definition of predominantly

Adverb

Kristen Fisher said families generally were told simply that there were some staffing changes at the facility.

— Robert McCoppin, Chicago Tribune, 1 Sep. 2026
Thematic methodologies have been one of the downfalls of contemporary museology (and art history) generally, a crisis of collective memory and the historical imagination overall.

— George Baker, Artforum, 1 Sep. 2026

Definition of generally

Adverb

This rising use of AI has principally been spurred by the evolving advances and widespread adoption of generative AI and LLMs such as ChatGPT, GPT-5, Claude, Gemini, Copilot, and others.

— Lance Eliot, Forbes.com, 30 Aug. 2026
Massachusetts should examine whether programs operating under the banner of victim services remain principally accountable to victims.

— Laurie Myers, Boston Herald, 26 Aug. 2026