IMPERMANENT Synonyms: 75 Similar and Opposite Words

impermanent

adjective

(ˌ)im-ˈpər-mə-nənt

Definition of impermanent

as in temporary

intended to last, continue, or serve for a limited time built an impermanent structure to serve for the archaeologists' living quarters during the dig

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in flash

lasting only for a short time a summer romance that was an impermanent fancy, quickly forgotten

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Antonyms & Near Antonyms

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 impermanent Several—Forti and Smith among them—were performance artists, whose impermanent work is notoriously difficult to sell. — News Desk, Artforum, 27 Apr. 2026 Time is impermanent, but timelessness can be built, swish by swish. — Steven Louis Goldstein, New York Times, 3 Apr. 2026 But public art is impermanent by design; posters may last months or disappear within hours. — Yamlek Mojica, Los Angeles Times, 10 Feb. 2026 And executive orders are famously impermanent. — Matteo Wong, The Atlantic, 12 Dec. 2025 See All Example Sentences for impermanent

Recent Examples of Synonyms for impermanent

Adjective

In 2025, Sunshine Health issued a temporary pause on adding practitioners to make sure the state's network providers are all credentialed.

— Larry Seward, CBS News, 31 July 2026
Established by Congress in 1990, TPS gives temporary protection to people who don’t feel safe returning to countries plagued by disaster or armed conflict such as El Salvador, Honduras and Nicaragua.

— Jessica Guynn, USA Today, 30 July 2026

Definition of temporary

Adjective

Parts of Connecticut and New York, including the Albany area, remained under flash-flood warnings on Wednesday morning.

— Kenton Gewecke, ABC News, 29 July 2026
Slow-moving storms may pose flash-flood risks across large portions of North, West, Central, South and East Texas beginning on Sunday, June 12, with the main threats expected early to mid-week.

— Mateo Rosiles, USA Today, 14 July 2026

Definition of flash

Adjective

Project Glasswing gave a perception that defenders would have a brief window to strengthen their defenses before the offensive capabilities of Mythos or equivalent models were available to the public.

— Tim Keary, Forbes.com, 21 July 2026
Supporters only caught a brief glimpse of the SUV that met Messi on the tarmac to transport him and his family to the private neighborhood of Funes, roughly 300 kilometers (185 miles) north of Buenos Aires.

— ABC News, ABC News, 21 July 2026

Definition of brief

Adjective

These facilities can support fuel qualification, materials testing, transient behavior studies, and other technical work needed before a first-of-a-kind reactor can enter service.

— Atharva Gosavi, Interesting Engineering, 1 Aug. 2026
Unionization is challenging with a large, disparate and transient group of athletes.

— Justin Williams, New York Times, 31 July 2026

Definition of transient

Adjective

The Fed woke up from its dream of transitory inflation and began to raise rates.

— Dev Patnaik, Forbes.com, 28 July 2026
On the National Mall this week, Freedom 250 signs pointed visitors toward temporary state pavilions, a Ferris wheel and mobile, transitory history exhibits.

— Luke Fountain, CNBC, 3 July 2026

Definition of transitory

Adjective

Traditional cybersecurity, particularly Zero Trust's reliance on identity, is insufficient for these autonomous, ephemeral agents.

— Zak Doffman, Forbes.com, 31 July 2026
The works are considered an exclamatory response to the institutional question of how to collect and display dance, a typically ephemeral form.

— News Desk, Artforum, 29 July 2026

Definition of ephemeral

Adjective

While big-money additions like outside linebacker Jaelan Phillips and inside linebacker Devin Lloyd are expected to excel, the Panthers have also seen some young defenders step up in the passing game.

— Mike Kaye July 31, Charlotte Observer, 31 July 2026
The appearance of a stale passing game could always be freshened, sure, but even that’s rooted in what is more obviously a stale running game.

— Sam McDowell July 31, Kansas City Star, 31 July 2026

Definition of passing

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impermanency

impermanent

impermeable

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“Impermanent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impermanent. Accessed 4 Aug. 2026.

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Synonyms of impermanent

adjective

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