LIGHTER-THAN-AIR Synonyms: 40 Similar and Opposite Words

lighter-than-air

adjective

Definition of lighter-than-air

as in weightless

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of lighter-than-air 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 See All Example Sentences for lighter-than-air

Recent Examples of Synonyms for lighter-than-air

Adjective

Its lightweight, glowy finish paired with the buildable coverage and weightless slip can’t be duped.

— Reece Andavolgyi, InStyle, 23 July 2026
From the couch or the stands, high-level tennis can appear weightless.

— Josh Levin, The Atlantic, 9 July 2026

Definition of weightless

Adjective

Best Graco jogging strollers This affordable, lightweight Graco stroller is quick and easy to hold with just one hand.

— BestReviews, Mercury News, 24 July 2026
Modovolo has used Lyten’s filament since 2025 to manufacture components for its Lift Quadcopter-X drone, a lightweight aircraft built for commercial, emergency response, and defense missions.

— Aamir Khollam, Interesting Engineering, 23 July 2026

Definition of lightweight

Adjective

On its face, the economy looks to be in good shape with low unemployment, steady spending and a buoyant stock market.

— Bryan Mena, CNN Money, 17 July 2026
That same market activity of buoyant investors seemed to power JPMorgan and Goldman’s blowout quarterly results because exuberance often translates into revenue lines for those big banks.

— Mia Osmonbekov, Fortune, 14 July 2026

Definition of buoyant

Adjective

Roadmaps are frequently high-level and unsubstantial.

— Peter Bendor-Samuel, Forbes.com, 19 June 2026
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

Definition of unsubstantial

Adjective

But the two looks that stand out the most were dresses that Roach pulled straight from the couture shows in Paris—rarefied, one-of-a-kind gowns that few people ever get to see out in the world, let alone on an A-list celebrity.

— Rachel Syme, New Yorker, 20 July 2026
Competing at his sixth and potentially final World Cup, Messi had delivered his usual rarefied excellence throughout the tournament — even at an age in which most soccer greats are well into retirement.

— Peter Sblendorio, New York Daily News, 19 July 2026

Definition of rarefied

Adjective

Those who lean bohemian may like a diaphanous nightie from Dôen or Chloé, paired with cage sandals and oversized shades.

— Christina Holevas, Vogue, 17 July 2026
Just hours after sitting front row at the Celia Kritharioti show in a semi-diaphanous gown dripping with iridescent crystals, Lopez bedazzled her sculptural turtleneck Stéphane Rolland couture gown with priceless Chopard Haute Joaillerie pieces.

— Lara Walsh, InStyle, 15 July 2026

Definition of diaphanous

Adjective

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

Definition of insubstantial

Browse Nearby Words

lighters

lighter-than-air

light-fingered

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Style

“Lighter-than-air.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lighter-than-air. Accessed 28 Jul. 2026.

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Synonyms of lighter-than-air

adjective

Example Sentences

Browse Nearby Words

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