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

Modern-day formulas are often weightless and tout ingredients like hyaluronic acid and antioxidants to plump up the skin and keep it hydrated—while evening out tone and smoothing over textured spots.

— Alanna Martine Kilkeary, Glamour, 4 Sep. 2026
Because the robotic arm was meant to work in zero gravity, a room that simulated a weightless environment was built to test it.

— Joanna Goodrich, IEEE Spectrum, 2 Sep. 2026

Definition of weightless

Adjective

Finer waves will want to opt for lightweight hydrators over rich formulas that can flatten waves.

— Madison San Miguel, Allure, 5 Sep. 2026
On sale for less than $100 right now, this Abu Garcia combo combines lightweight graphite with an intense grip to offer a rod and reel that works well for beginners and advanced casters alike.

— Amber Harding OutKick, FOXNews.com, 4 Sep. 2026

Definition of lightweight

Adjective

But for all of his music guaranteed to prod a melancholic moment, Taylor didn’t snub the buoyant offerings from his heady catalog.

— Melissa Ruggieri, USA Today, 31 Aug. 2026
Bright synths, electronic drums and an enormous chorus give the track its rush, while Justin Bieber’s melodic delivery keeps it light and buoyant.

— Brittney Williams, Billboard, 25 Aug. 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

How Clarke reached this rarefied realm of cinematic creation—and then largely left it behind—is an exemplary story of artistic psychology, film history, and social politics.

— Richard Brody, New Yorker, 26 Aug. 2026
Retain the aspirational quality of existing real estate shows by offering viewers a window into rarefied global properties but omit the prospective buyers, deals and agent squabbling, and emphasize authenticity instead.

— The Washington Post, San Diego Union-Tribune, 22 Aug. 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

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 6 Sep. 2026.

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Synonyms of lighter-than-air

adjective

Example Sentences

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