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
The memorandum notes that each of these projects has experienced substantial cost increases and numerous delays over the last decade, Ars reports.
—
Eric Berger,
ArsTechnica,
26 June 2026
Key Takeaways While direct comparisons of gelatin versus collagen for skin and joint health are scarce, collagen has more substantial evidence for improving specific aspects of these areas.
—
Anna Giorgi,
Verywell Health,
26 June 2026
The show marks the first screen outing for the Lancaster Prep franchise, an eight-book series that has attracted a substantial following on BookTok.
—
Naman Ramachandran,
Variety,
26 June 2026
Nike is taking steps to refresh its athletic apparel brand, but its progress hasn’t been fast or substantial enough to make the stock a good buy, according to KeyBanc.
—
Liz Napolitano,
CNBC,
26 June 2026
See All Example Sentences for substantial
Eric Berger,
ArsTechnica,
26 June 2026
Key Takeaways While direct comparisons of gelatin versus collagen for skin and joint health are scarce, collagen has more substantial evidence for improving specific aspects of these areas.
—
Anna Giorgi,
Verywell Health,
26 June 2026
The show marks the first screen outing for the Lancaster Prep franchise, an eight-book series that has attracted a substantial following on BookTok.
—
Naman Ramachandran,
Variety,
26 June 2026
Nike is taking steps to refresh its athletic apparel brand, but its progress hasn’t been fast or substantial enough to make the stock a good buy, according to KeyBanc.
—
Liz Napolitano,
CNBC,
26 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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Several large merchant ships used the southern route on Sunday heading for ports in the Gulf, according to ship tracking service Marine Traffic.
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Someone in the Mamdani administration should look at what happened in the 1970s and ’80s when the city became the largest landlord in the five boroughs.
Adjective
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In the absence of an official investigation, the incident last September has been magnified, and perhaps embellished, in the minds of veterans living on the campus, a community defined by the vulnerability of physical disability, substance use and trauma.
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Doulas practice across the country to assist patients before, during, and after childbirth, particularly with their emotional and physical needs.
Adjective
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There’s considerable support for the idea in Parliament, where the Liberal Democrats — a centrist opposition party — has advocated for war bonds on 25 separate occasions since the turn of the year.
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Developed with some difficulty due to the material, which both financiers and some actors found too risqué, Sunday Bloody Sunday was eventually released to considerable acclaim, earning four nominations at the 1972 Academy Awards.
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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This puffy tote is from the same brand as a toiletry bag Oprah included on her 2025 Favorite Things list, and it’s backed by a sizable fan club (it’s been purchased more than 3,000 times in the past month alone).
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But after a long day on the slopes, your aching limbs might need a cooldown, which is where the home’s sizable indoor pool comes in.
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 29 Jun. 2026.
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