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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.

This is the 17th Ebola outbreak to hit the DRC, a vast and unstable central African country of more than 100 million people.

From Barron's • Jun. 8, 2026

But over the short and even intermediate terms, lasting not just several years but decades, gold’s correlation to inflation is unstable.

From MarketWatch • Jun. 8, 2026

Earthquakes are common in the Philippines, which sits on the geologically unstable "ring of fire".

From BBC • Jun. 8, 2026

Because these intermediate phases are highly unstable, they have been extremely difficult to observe directly.

From Science Daily • May 30, 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




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