as in aggregated
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1
as in increased
to become greater in extent, volume, amount, or number
static electricity built up on the cat's fur
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2
as in gained
to gradually increase in
the roller coaster built up momentum
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3
as in accumulated
to gradually form into a layer, pile, or mass
evidence that the toxic chemical builds up in the bloodstream to unhealthy levels
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4
as in expanded
to make greater in size, amount, or number
he patiently built up his coin collection over several decades the young stockbroker worked hard to build up a clientele
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Example Sentences
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Recent Examples of built-up
Carley Rojas Avila, Travel + Leisure, 9 Sep. 2025
While the Classic looks a little more built-up, and has what may be a larger, physical rotating bezel, both watches have what’s known in some circles as a squircle design.
—Andrew Williams, Forbes.com, 9 May 2025
The area was densely built-up before the war and the enormous scale of damage means there are now huge mountains of rubble and debris everywhere.
—Ivana Kottasová, CNN, 31 Jan. 2025
The home’s outer structure has a flat roof frame, composed of built-up.
—Bay Area Home Report, The Mercury News, 2 Aug. 2024
That group could factor into the team’s Game 2 plan, as well, following the Dodgers’ most built-up starting pitcher in breakout rookie Bobby Miller.
—Jack Harris, Los Angeles Times, 6 Oct. 2023
Christopher Arnott, Hartford Courant, 29 Mar. 2026
As the United States built up its factories, different options for eveningwear were easier to make.
—Vogue, 27 Mar. 2026
The agency determined that gases that built up in the shield’s outer material did not vent properly, allowing pressure to accumulate.
—Denise Chow, NBC news, 26 Mar. 2026
In recent decades, China has built up its rare earths industry and cornered the market on these materials critical not only to American manufacturing, but also to the defense industry.
—Brit McCandless Farmer, CBS News, 22 Mar. 2026
Bread Alone has developed strong relationships with local farmers and built up a regional supply chain that helped insulate it from rising transportation costs during price spikes.
—David Goldman, CNN Money, 21 Mar. 2026
There’s a trust built up that the new work will be relevant.
—Pam Kragen, San Diego Union-Tribune, 15 Mar. 2026
But by the late stages of the game, the Magic had built up enough of a lead to withstand those misses.
—Adam Lichtenstein, Sun Sentinel, 15 Mar. 2026
Geologists concluded that the boulders formed over four million years as calcite built up around an organic core, which also caused the rocks' striking cracks to form over time.
—Madeline Bilis, Travel + Leisure, 8 Mar. 2026
Adjective
The Caribbean-facing region of Quintana Roo has some of Mexico's busiest and most built-up beachfronts, but visitors looking for a more serene escape will love still-secret destinations like Mahahual.
—Carley Rojas Avila, Travel + Leisure, 9 Sep. 2025
While the Classic looks a little more built-up, and has what may be a larger, physical rotating bezel, both watches have what’s known in some circles as a squircle design.
—Andrew Williams, Forbes.com, 9 May 2025
The area was densely built-up before the war and the enormous scale of damage means there are now huge mountains of rubble and debris everywhere.
—Ivana Kottasová, CNN, 31 Jan. 2025
The home’s outer structure has a flat roof frame, composed of built-up.
—Bay Area Home Report, The Mercury News, 2 Aug. 2024
That group could factor into the team’s Game 2 plan, as well, following the Dodgers’ most built-up starting pitcher in breakout rookie Bobby Miller.
—Jack Harris, Los Angeles Times, 6 Oct. 2023
Verb
Robin Hood’s Medieval Faire has built up a great reputation over 17 years.
—Christopher Arnott, Hartford Courant, 29 Mar. 2026
As the United States built up its factories, different options for eveningwear were easier to make.
—Vogue, 27 Mar. 2026
The agency determined that gases that built up in the shield’s outer material did not vent properly, allowing pressure to accumulate.
—Denise Chow, NBC news, 26 Mar. 2026
In recent decades, China has built up its rare earths industry and cornered the market on these materials critical not only to American manufacturing, but also to the defense industry.
—Brit McCandless Farmer, CBS News, 22 Mar. 2026
Bread Alone has developed strong relationships with local farmers and built up a regional supply chain that helped insulate it from rising transportation costs during price spikes.
—David Goldman, CNN Money, 21 Mar. 2026
There’s a trust built up that the new work will be relevant.
—Pam Kragen, San Diego Union-Tribune, 15 Mar. 2026
But by the late stages of the game, the Magic had built up enough of a lead to withstand those misses.
—Adam Lichtenstein, Sun Sentinel, 15 Mar. 2026
Geologists concluded that the boulders formed over four million years as calcite built up around an organic core, which also caused the rocks' striking cracks to form over time.
—Madeline Bilis, Travel + Leisure, 8 Mar. 2026
Recent Examples of Synonyms for built-up
Adjective
-
The alleged success of Housing First does not come from aggregated homelessness data, but from case studies of different homelessness programs.—
Christopher Calton,
Oc Register,
4 Dec. 2025
-
Haunting and wonderful images coalesce then dissipate, or recur without a sense of aggregated force.—
Sara Holdren,
Vulture,
10 Nov. 2025
Verb
-
Airport security lines increased, some stretching multiple hours in hubs such as Houston and Atlanta, as TSA officers called out and hundreds across the country quit.—
Sacbee.com,
Sacbee.com,
31 Mar. 2026
-
JetBlue increased the fees as airlines maneuver to cover their rising jet fuel costs, which have soared since the Iran war began.—
Megan Cerullo,
CBS News,
30 Mar. 2026
Verb
-
But what is ultimately to be gained by making this a hammy, Neil Simon-esque romp?—
Patrick Ryan,
USA Today,
31 Mar. 2026
-
The story quickly gained traction across the platform, receiving more than 29,000 upvotes and over 2,600 comments, and turning a single photo into a large-scale online conversation.—
Maria Azzurra Volpe,
MSNBC Newsweek,
30 Mar. 2026
Verb
-
Investors who had accumulated short positions over the past six months — betting that Pop Mart's appeal was a short-term fad — unwound those positions on Tuesday, Rein said, contributing to the sell-off.—
Anniek Bao,
CNBC,
25 Mar. 2026
-
Whatever wholesome energy might have accumulated in the air from that exchange dissipates as soon as we’re thrown back in the galley.—
Rafaela Bassili,
Vulture,
24 Mar. 2026
Verb
-
Back in 2017, as FIU expanded, many students were crossing Southwest Eighth Street to get to and from campus.—
Johane Saintil,
Miami Herald,
26 Mar. 2026
-
The meaning of wellness travel has expanded to include everything from somatic meditation to hormone replacement therapy and grief counseling.—
Condé Nast,
Condé Nast Traveler,
26 Mar. 2026
Verb
-
Once North Carolina fired Hubert Davis after five seasons, Billy Donovan immediately rose to the top of the list of favorites to become the next head coach of the storied program.—
Matthew Couden,
MSNBC Newsweek,
31 Mar. 2026
-
While consumers worldwide face steep price hikes, Brazilian gasoline prices rose just 5% in March — compared to 30% in the United States.—
ABC News,
ABC News,
31 Mar. 2026
Verb
-
Jamaica born About a hundred people gathered to lay Wilson to rest, singing, crying and laughing while remembering his kind heart, his hard work and his famous barbecue ribs and chicken wings.—
Miami Herald,
Miami Herald,
28 Mar. 2026
-
Ka'mardre Coleman remembered Students and family of Ka'mardre Coleman gathered in the high school's courtyard with flowers, balloons and candles.—
Adi Guajardo,
CBS News,
28 Mar. 2026
Verb
-
Her unraveling was further accelerated by a growing dependence on drugs.—
Pamela Colloff,
ProPublica,
24 Mar. 2026
-
Bitcoin futures have accelerated this shift.—
Malana VanTyler
March 24,
Charlotte Observer,
24 Mar. 2026
Cite this Entry
“Built-up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/built-up. Accessed 31 Mar. 2026.
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