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- Dictionaryunstable/ʌnˈsteɪbl/
adjective
- 1. likely to give way; not stable: "the unstable cliff tops" Similar Opposite
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UNSTABLE definition: 1. not solid and firm and therefore not strong, safe, or likely to last: 2. An unstable person…. Learn more.
The meaning of UNSTABLE is not stable : not firm or fixed : not constant. How to use unstable in a sentence. Synonym Discussion of Unstable.
To be unstable is to lack stability, meaning things could change without warning, like an unstable bookshelf that is likely to fall down. If you are unstable emotionally, you might be ecstatically happy one minute and horribly depressed and angry the next.
1. adjective. You can describe something as unstable if it is likely to change suddenly, especially if this creates difficulty or danger. After the fall of Pitt in 1801 there was a decade of unstable government. The situation is unstable and potentially dangerous. Synonyms: changeable, volatile, unpredictable, variable More Synonyms of unstable.
adjective. not stable; not firm or firmly fixed; unsteady. liable to fall or sway. Synonyms: precarious. unsteadfast; inconstant; wavering: unstable convictions. Synonyms: vacillating. marked by emotional instability: an unstable person. irregular in movement: an unstable heartbeat.
1. a. Tending strongly to change: unstable weather. b. Not constant; fluctuating: unstable vital signs. 2. a. Wavering or fickle: At first, he was unstable in his decisions. b. Showing or marked by erratic or volatile emotions or behavior. 3. Not firmly placed; unsteady: an unstable ladder. 4. Chemistry. a. Decomposing readily. b.
if people are unstable, their behaviour and emotions change often and suddenly because their minds are upset. He's highly unstable, and liable to sudden fits of rage. vulnerable, emotionally unstable individuals
