1
as in unsteady
not being in or able to maintain a state of balance
the minute we put the books down on the unstable desk, the whole stack went crashing to the floor
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Antonyms & Near Antonyms
2
as in volatile
likely to change frequently, suddenly, or unexpectedly
financial investors don't like an unstable economy
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Antonyms & Near Antonyms
3
as in changing
not staying constant
unstable temperatures are not ideal storage conditions for wine
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Example Sentences
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Recent Examples of unstable
Angela Cerreta, deputy head restorer for paintings and wooden materials, told the Art Newspaper that restorers will first attend to unstable paint before cleaning the frescoes with fiber lasers.
—
Tessa Solomon,
ARTnews.com,
26 June 2026
These dependencies present supply chain challenges as some of the import sources are located in adversarial or geopolitically unstable nations.
—
Aditya Jadhav,
Interesting Engineering,
26 June 2026
The year 1772 marked a seismic shift from international order to disorder, much as 2022 now seems to betoken the start of a more unstable and dangerous era of international relations.
—
David Armitage,
Washington Post,
26 June 2026
The problem is that the foundation supporting the model is unstable.
—
Pabitra Saikia,
Forbes.com,
25 June 2026
See All Example Sentences for unstable
Tessa Solomon,
ARTnews.com,
26 June 2026
These dependencies present supply chain challenges as some of the import sources are located in adversarial or geopolitically unstable nations.
—
Aditya Jadhav,
Interesting Engineering,
26 June 2026
The year 1772 marked a seismic shift from international order to disorder, much as 2022 now seems to betoken the start of a more unstable and dangerous era of international relations.
—
David Armitage,
Washington Post,
26 June 2026
The problem is that the foundation supporting the model is unstable.
—
Pabitra Saikia,
Forbes.com,
25 June 2026
See All Example Sentences for unstable
Recent Examples of Synonyms for unstable
Adjective
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Early reviews said that House of the Dragon was at the top of its game in season 3, after a periodically unsteady run before that.
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Sydney is extra unsteady and flustered.
Adjective
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Related Stories Set in 1948 Malaya in the volatile years that followed the end of World War II, the film traces a Malay soldier and a British soldier who are left behind after the British military withdraws.
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While the rally continued into early 2026, trade soon turned volatile.
Adjective
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In some studies, gloves not changed between tasks had higher bacterial counts and could transfer germs just as easily as ungloved hands, underscoring the need for frequent changing and proper hand hygiene.
Adjective
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The rock bridge is an especially precarious structure that’s located on an unofficial section of the trail, the Star-Advertiser reported.
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This comes at a particularly precarious time for airports, as one of the biggest sporting events in the world is taking place in MIA’s backyard.
Adjective
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Analysts expect gas prices to continue falling but remain unpredictable due to geopolitical tensions.
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Your personal life could feel crowded, unpredictable and emotionally overwhelming, Scorpio.
Adjective
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If visible pores or uneven texture is a concern for you at all, this primer is the ultimate solution.
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As with that earlier boom-and-bust cycle, the AI landscape is likely to yield uneven outcomes, according to Qian Wang, global head of capital market research at Vanguard, and senior global economist Kevin Khang.
Adjective
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The terrain is rocky, with vineyards clinging to steep limestone slopes, simultaneously warmed by the sun and cooled by salty Adriatic breezes.
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On the other side of Dubrovnik’s Old Town is Hotel Bellevue Dubrovnik, literally carved into a cliff and perched over Miramare Bay’s rocky shore.
Adjective
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This is a recurring injury for Smith, who has missed five of the last nine games due to varying levels of discomfort in his calf.
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Even within a single day, temporary weight shifts are common and are often due to varying levels of fluid retention.
Cite this Entry
“Unstable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unstable. Accessed 4 Jul. 2026.
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