unstable
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Sahel today is the world’s most unstable region.
From The Wall Street Journal ● Nov. 9, 2026
Scientists at the University of Würzburg in Germany have discovered a way to produce and isolate oxoboranes, a group of unusual molecules that were long considered too unstable to study under ordinary laboratory conditions.
From Science Daily ● Nov. 6, 2026
The particle is unstable and exists for just one and a half trillionths of a second before breaking down into other forms - decaying.
From BBC ● Nov. 3, 2026
Meanwhile, Doug has made a confession that haunts the men as they follow a pregnant bison onto an unstable glacier.
From Los Angeles Times ● Nov. 2, 2026
The soils beneath Berlin were sandy and unstable; engineers quickly determined that the entire length of the 1,800-foot tunnel had to be sheathed in steel, to prevent the structure from collapsing.
From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau
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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