as in weightless
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Recent Examples of lighter-than-air
Airships, on the other hand, emit little carbon because their vertical lift comes from lighter-than-air gases such as helium instead of burning fuel during diagonal ascent, and their propeller propulsion can be entirely electric.
—
New Atlas, 27 Apr. 2026
Last year, state legislators began debating strengthening protections and prohibiting the sale of non-biodegradable helium and lighter-than-air gas balloons.
—Stephen Underwood, Hartford Courant, 31 Mar. 2026
But even at Thanksgiving, this lighter-than-air pie filling is welcome amid a sea of other, thicker custard pies.
—Jenna Sims, Southern Living, 18 Feb. 2026
The city already has regulations including restrictions on single-use plastic bags for carryout, plastic straws and stirrers, and balloons filled with helium or other lighter-than-air gasses.
—Luke Harold, San Diego Union-Tribune, 1 Jan. 2026
Still, Leishman said interest in lighter-than-air ships has been cyclical, waxing and waning over time.
—Jeanine Santucci, USA Today, 22 Nov. 2025
Once denoting a specific type of cake, the name Bundt now conjures images of uniform mounds of all flavors, from the traditional dense party cake to lighter-than-air angel cakes.
—Arati Menon, Condé Nast Traveler, 7 Aug. 2025
But by the late 19th century, flying via lighter-than-air gases was already close to 100 years old.
—Erik Ofgang, Smithsonian Magazine, 11 June 2024
New Atlas, 27 Apr. 2026
Last year, state legislators began debating strengthening protections and prohibiting the sale of non-biodegradable helium and lighter-than-air gas balloons.
—Stephen Underwood, Hartford Courant, 31 Mar. 2026
But even at Thanksgiving, this lighter-than-air pie filling is welcome amid a sea of other, thicker custard pies.
—Jenna Sims, Southern Living, 18 Feb. 2026
The city already has regulations including restrictions on single-use plastic bags for carryout, plastic straws and stirrers, and balloons filled with helium or other lighter-than-air gasses.
—Luke Harold, San Diego Union-Tribune, 1 Jan. 2026
Still, Leishman said interest in lighter-than-air ships has been cyclical, waxing and waning over time.
—Jeanine Santucci, USA Today, 22 Nov. 2025
Once denoting a specific type of cake, the name Bundt now conjures images of uniform mounds of all flavors, from the traditional dense party cake to lighter-than-air angel cakes.
—Arati Menon, Condé Nast Traveler, 7 Aug. 2025
But by the late 19th century, flying via lighter-than-air gases was already close to 100 years old.
—Erik Ofgang, Smithsonian Magazine, 11 June 2024
Recent Examples of Synonyms for lighter-than-air
Adjective
-
And last but certainly not least, the sunscreen has a sheer, buildable tint and a feather-light texture that melts into the skin and feels virtually weightless—a must for Southern summers with intense heat and harsh humidity.—
Alicia Geigel,
Southern Living,
5 June 2026
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Hot Fluff is a weightless modern matte lipstick that has been formulated to be easily blendable, and to feel just like skin.—
ABC News,
ABC News,
1 June 2026
Adjective
-
More recently, footage released Wednesday showed Gaethje using the FBI Headquarters as part of his preparation for his lightweight title fight against Ilia Topuria at UFC Freedom 250.—
Alejandro Avila OutKick,
FOXNews.com,
11 June 2026
-
Available in various nude shades ranging from dark to light, these lightweight and breathable shorts prevent chafing while smoothing your midsection.—
BestReviews,
Chicago Tribune,
11 June 2026
Adjective
-
Hz [Warp] Warp lodestars Seefeel are most recognizable for their vaporous blend of shoegaze, ambient, and experimental electronic music.—
Jazz Monroe,
Pitchfork,
1 May 2026
-
The sky above is filled with eagles, an American flag and vaporous images.—
Will Weissert,
Fortune,
13 Apr. 2026
Adjective
-
Earthfoam’s Organic Mattress is a smart pick for anyone who wants a more eco-friendly mattress with a buoyant latex feel.—
Audrey Lee,
Architectural Digest,
11 June 2026
-
In March, during their final match in Uzbekistan before the World Cup, the atmosphere was loud, buoyant and joyous.—
Tim Spiers,
New York Times,
10 June 2026
Adjective
-
This can alter the amount and types of ACE-inhibiting peptides created during fermentation2—and possibly account for kombucha's unsubstantial effect on blood pressure.—
MD Published,
Verywell Health,
27 Dec. 2025
-
Then again … This really does sum up Reeves’s unsubstantial performance as Jonathan Harker, whose new client is definitely up to no good.—
Tim Grierson,
Vulture,
18 Oct. 2025
Adjective
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Out of 184 medal-winning entries this year, just 12 rums earned the Gold Outstanding distinction, the rarefied tier that advances to trophy consideration ahead of the IWSC's annual awards celebration in London on November 12.—
Hudson Lindenberger,
Forbes.com,
12 June 2026
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This spirit of rarefied American invention, fueled by both government investment and private capital, was meant to serve all humankind.—
Ian Bogost,
The Atlantic,
12 June 2026
Adjective
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That spirit is exemplified by Ford, a gregarious hostess who moves through the various groupings of women in a diaphanous full-length blue dress, introducing Godfred to a group of attendees and hugging both first-timers and her OGs enthusiastically.—
Paula L. Woods,
Los Angeles Times,
4 May 2026
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The diaphanous music of Lana Del Rey, though, never sounds bogged down by the anxiety of influence.—
New York Times,
New York Times,
28 Apr. 2026
Adjective
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But too few of those ideas yield satisfying conclusions, resulting in a drama that becomes treacly and insubstantial, reaching for a profundity that remains elusive.—
David Rooney,
HollywoodReporter,
16 May 2026
-
The wall was as insubstantial as a set on a film studio’s back lot.—
Rebecca Mead,
New Yorker,
13 Apr. 2026
Cite this Entry
“Lighter-than-air.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lighter-than-air. Accessed 15 Jun. 2026.
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