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 An earlier version of this year’s bill would have banned all sales of lighter-than-air balloons in the state. — John Moritz, Hartford Courant, 22 Apr. 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 See All Example Sentences for lighter-than-air

Recent Examples of Synonyms for lighter-than-air

Adjective

The creamy formula feels nourishing yet weightless, forming an ultra-thin, flexible film that moves with your expressions and then bounces back into place.

— Christa Joanna Lee, Allure, 18 Sep. 2026
Line Smoother preps and blurs, then Balance-n-Brighten delivers buildable, weightless coverage with marbleized pigments for a polished finish.

— ABC News, ABC News, 14 Sep. 2026

Definition of weightless

Adjective

The eFlyer 2 seeks to address both requirements through its electric powertrain and lightweight structure.

— Aamir Khollam, Interesting Engineering, 25 Sep. 2026
Meta and Apple are fierce rivals, and on Wednesday, the Facebook creator upped the ante by announcing new lightweight virtual reality glasses that make Apple’s Vision Pro headset look like bulky old tech.

— Sebastian Herrera, Fortune, 24 Sep. 2026

Definition of lightweight

Adjective

In the Christian tradition, these words are a grim warning of our transience, the vaporous substance of our lives.

— Literary Hub, Literary Hub, 31 Aug. 2026
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

Definition of vaporous

Adjective

During testing, the structure remained buoyant even after cracks developed, connection points fractured, and an entire lattice layer broke apart.

— New Atlas, New Atlas, 20 Sep. 2026
The grinning Colbert was positively buoyant arriving to the empty engraving counter with his already-dancing wife, Evelyn McGee Colbert.

— KiMi Robinson, USA Today, 15 Sep. 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

On road, the KB998 Rimini’s rarity factor should only bolster Bimota’s already rarefied status.

— Michael Van Runkle, Robb Report, 21 Sep. 2026
Deliberately choppy and abrupt in its transitions from sequences that almost play like standalone shorts, Masc may be too rarefied to venture beyond fests and niche settings.

— Leslie Felperin, HollywoodReporter, 18 Sep. 2026

Definition of rarefied

Adjective

The craftsmanship continues upstairs, where jamdani fabrics and wallpapers in the primary bedroom celebrate the ancient Bengal art of weaving fine diaphanous textiles, embodying the showroom’s dedication to materiality, artistry, and the human hand.

— AD PRO, Architectural Digest, 11 Aug. 2026
Kaia Gerber left little to the imagination in a diaphanous black dress at the London premiere of The Shards.

— Hannah Malach, InStyle, 30 July 2026

Definition of diaphanous

Adjective

Tying all this to a generic RPG progression system full of constant but insubstantial upgrades and resources feels more like busywork than anything else.

— Jordan Minor, PC Magazine, 18 Sep. 2026
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

Definition of insubstantial

Browse Nearby Words

lighters

lighter-than-air

light-fingered

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“Lighter-than-air.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lighter-than-air. Accessed 27 Sep. 2026.

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Synonyms of lighter-than-air

adjective

Example Sentences

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