as in weightless
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Recent Examples of lighter-than-air
That bill would have allowed for biodegradable lighter-than-air gas balloons made with non-latex material to be more environmentally friendly.
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Stephen Underwood, Hartford Courant, 2 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
From 1921 to 1935, the Navy maneuvered five lighter-than-air flying giants — alas, to a catastrophic end, spare one.
—Karen Scanlon, San Diego Union-Tribune, 3 Sep. 2025
The tragic Hindenburg disaster of 1937, which resulted in the death of 36 people and effectively ended passenger airship travel, cast a long-lasting shadow over lighter-than-air technology.
—Kurt Knutsson, FOXNews.com, 12 May 2025
That all being said, if the claims are true, the relatively cheap cost and ease of manufacture of lighter-than-air drones could dramatically increase the chances of detecting stealth aircraft in flight.
—Christopher McFadden, Interesting Engineering, 11 Feb. 2025
Flavors of coffee and caramel permeate this rich yet lighter-than-air double chocolate cream.
—Amy Drew Thompson, Orlando Sentinel, 27 Dec. 2024
There are several Latin American influences, too, such as the lighter-than-air Tres Leches cake and the tiger prawns yello anticucho.
—Michele Robson, Forbes, 28 Mar. 2024
Recent Examples of Synonyms for lighter-than-air
Adjective
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Its quick-absorbing formula feels weightless on the skin—a plus in sensitive, post-treatment times.—
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But the weightless and unimaginative action feels less cinematic than theme park-y, as if the powers that be at Sony had jumped several steps ahead in their efforts to grow this into a global juggernaut franchise.—
Adjective
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This incredibly lightweight, breathable windbreaker jacket has an adjustable bungee cord collar and waist for a custom fit, as well as two large pockets at the front.—
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Available in luxurious shades like apricot, navy, and coffee brown, the lightweight sweater is a timeless staple in any winter wardrobe.—
Adjective
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During cryovolcanism, liquid and vaporous water as well as other materials are ejected from inside a cosmic body.—
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Sculptural yet vaporous lightweight dresses were among the highlights.—
Adjective
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The buoyant track sees Robyn rapping about having one-night stands while 10 weeks pregnant via IVF.—
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That said, today’s not the best start for the overall buoyant year of 2026.—
Adjective
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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.—
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Then again … This really does sum up Reeves’s unsubstantial performance as Jonathan Harker, whose new client is definitely up to no good.—
Adjective
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After shortening the bench late in regulation and 15 minutes of overtimes Saturday against Boise State, Dutcher had used his full 11-man rotation five minutes into the game in the rarefied air of Reno and got a balanced performance from pretty much everyone.—
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That sad scenario is also a perfect opportunity to refloat an idea that needs to emerge in the rarefied Capitol air.—
Adjective
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Amid the sharper angles and more geometric corsetry the house is known for, there’s diaphanous silhouettes and undulating shapes that can caress the bump.—
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Tapped by an artist to adapt a 1907 neo-Gothic Harlem rectory into a home and studio, meanwhile, GRT linked a series of double-height spaces with a diaphanous staircase of perforated steel, connecting indoors and out via streamlined Gothic-style windows.—
Adjective
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Where Aytaç was large but poised, Abdi was insubstantial, scrawny, and unsteady on his feet.—
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Republican lawmakers and state attorneys general have challenged the basis of those recommendations, arguing that the evidence used to support them is insubstantial.—
Cite this Entry
“Lighter-than-air.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lighter-than-air. Accessed 13 Jan. 2026.
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