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Definitions

unstable

[uhn-stey-buhl] / ʌnˈsteɪ bəl /


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.

In April, a record 35 candidates ran for president of the chronically unstable Andean nation, which has burned through eight presidents in the past decade, four of whom were impeached.

From Barron's • May 8, 2026

For them, giving the military more legitimacy is not about ignoring pacifism, but about making sure the country can survive an increasingly unstable world.

From BBC • May 7, 2026

She expects an unstable climate to usher in an age of private weather control.

From The Wall Street Journal • Apr. 30, 2026

While fluid membranes support fusion, they can also become unstable during freeze-thaw-induced stress, leading to leakage.

From Science Daily • Apr. 29, 2026

They become unstable and have a tendency to unsettle the mood because they deviate from comfortable convention, seeking relationships with unfamiliar chords.

From "The Story of Music" by Howard Goodall




Vocabulary lists containing unstable