unstable
Example Sentences
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Instead, they are theoretical unstable configurations of particle fields that, like quantum black holes, would be expected to produce relatively spherical energy patterns.
From Science Daily ● Sep. 23, 2026
Grace Soens, who plays June, Marisol’s confederate at work, and Jack Sharpe, who takes on the role of Lenny, June’s mentally disturbed brother, expand this unstable world, where it’s hard to know who to trust.
From Los Angeles Times ● Sep. 17, 2026
With the slope so unstable, there was a risk of falling rocks and further avalanches.
From BBC ● Sep. 11, 2026
“What’s changed is that the mountain is increasingly unstable, and the hazard is now much bigger, and reaches farther than the assumptions some of these projects were designed against.”
From The Wall Street Journal ● Sep. 9, 2026
That’s why the nuclei of atoms are so compacted and dense and why elements with big, crowded nuclei tend to be so unstable: the strong force just can’t hold on to all the protons.
From "A Short History of Nearly Everything" by Bill Bryson
Vocabulary lists containing unstable
100 SAT Words Beginning with "U"
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Engineering - Introductory
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Civil Engineering
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