1
as in significant
having great meaning or lasting effect
substantial changes to the school dress code that made a lot of people unhappy
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in large
of a size greater than average of its kind
the amount he inherited was quite substantial, so he quit his job and set out to see the world
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in physical
relating to or composed of matter
the Land of Oz turned out to be a world of dreams, even less substantial than a rainbow
Synonyms & Similar Words
Antonyms & Near Antonyms
4
as in considerable
sufficiently large in size, amount, or number to merit attention
there's been a substantial increase in attendance at girls' volleyball games ever since the start of their winning streak
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of substantial
Does that sound like someone who is anywhere close to winning something substantial ever again?
—
Zach Dean Outkick,
FOXNews.com,
20 June 2026
Being able to drive himself to shows and avoid the expenses associated with sky-high gas prices, a tour bus, and a substantial road crew is a plus for an indie artist.
—
Josh Crutchmer,
Rolling Stone,
19 June 2026
An investigation of that scope would likely have generated substantial records, including investigative reports, emails and financial analyses.
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Daniel Ruetenik,
CBS News,
19 June 2026
However, despite the company’s substantial size, it was omitted from the Fortune 500 at the time.
—
Cheyann Harris,
Fortune,
19 June 2026
See All Example Sentences for substantial
Zach Dean Outkick,
FOXNews.com,
20 June 2026
Being able to drive himself to shows and avoid the expenses associated with sky-high gas prices, a tour bus, and a substantial road crew is a plus for an indie artist.
—
Josh Crutchmer,
Rolling Stone,
19 June 2026
An investigation of that scope would likely have generated substantial records, including investigative reports, emails and financial analyses.
—
Daniel Ruetenik,
CBS News,
19 June 2026
However, despite the company’s substantial size, it was omitted from the Fortune 500 at the time.
—
Cheyann Harris,
Fortune,
19 June 2026
See All Example Sentences for substantial
Recent Examples of Synonyms for substantial
Adjective
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The heatwave has been significant enough to prompt major fashion houses to accommodate last-minute schedule changes.
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Damaged coating can cause significant problems, leading to violations of ecological regulations and insurers’ biofoul clauses.
Adjective
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The second-largest whale species after blue whales, fin whales are classified as an endangered species, according to NOAA.
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Last week, in interviews with The Times, the leaders of the two largest unions — United Teachers Los Angeles and Service Employees International Union Local 99 — called for Carvalho to be replaced.
Adjective
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Team Australia players Jacob Italiano and Harry Souttar just received two yellow cards after the referee determined that the match is becoming too physical.
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Professor Igor Aharonovich said twisting layered materials can produce entirely new physical behaviors.
Adjective
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Three other vehicles were all stopped a short distance away, each of which also appeared to have sustained considerable damage, with at least two sets of air bags deployed.
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And the resounding manner of Burnham’s win – comprehensively defeating Reform weeks after Labour was routed in local elections – gives him considerable momentum too.
Adjective
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In the footage, three children appear to be emerging from the rubble one after another, seemingly without major injuries, as rescuers provided assistance.
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The announcement came just hours after the Supreme Court handed a major victory to the makers of the weedkiller Roundup, shielding it from thousands of lawsuits from states alleging the company failed to warn people the product could cause cancer.
Adjective
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In an interview with CBS News Texas, Hernandez said the Latino vote will have a sizable impact on the midterm elections in November.
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Republicans are considering a sizable, $350-billion-plus increase in Defense spending on par with the White House’s budget request that the GOP could pass on its own, through the reconciliation process that allows Senate majority rule over potential objections from Democrats.
Adjective
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After the collision, the 18-wheeler hit the center concrete barrier, which caused its cargo, several rolls of paper, estimated to weigh 6,000 pounds each, to fly off the truck, police said, and cross into the eastbound lanes.
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The Federal Trade Commission made the stakes concrete in a 2025 study, showing how algorithms drawing on personal data can infer when consumers may have fewer alternatives, greater urgency, or a higher willingness to pay—and adjust prices or offers accordingly.
Adjective
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To address those concerns, Hulls has committed roughly $15 million to establish the Good Luck Fund, which acquires and preserves properties considered important to the community.
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What are the most important values of the community that the superintendent must honor regardless of pressure or politics?
Cite this Entry
“Substantial.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantial. Accessed 26 Jun. 2026.
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