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The meaning of UNSTABLE is not stable : not firm or fixed : not constant. How to use unstable in a sentence. Synonym Discussion of Unstable.
UNSTABLE definition: 1. not solid and firm and therefore not strong, safe, or likely to last: 2. An unstable person…. Learn more.
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.
Unstable definition: not stable; not firm or firmly fixed; unsteady.. See examples of UNSTABLE used in a sentence.
1. You can describe something as unstable if it is likely to change suddenly, especially if this creates difficulty or danger. [...] 2. Unstable objects are likely to move or fall. [...] 3. If people are unstable, their emotions and behavior keep changing because their minds are disturbed or upset. [...] More. Synonyms of 'unstable'
Definition of unstable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
UNSTABLE meaning: 1. not solid and firm and therefore not strong, safe, or likely to last: 2. An unstable person…. Learn more.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023 How to use unstable in a sentence Most of the think tanks thought that the situation in eastern regions of Ukraine would remain unstable for a long time.
Liable to undergo spontaneous decay into some other form. For example, the nucleus of uranium 238 atom is unstable and changes by radioactive decay into the nucleus of thorium 234, a lighter element. Many subatomic particles, such as muons and neutrons, are unstable and decay quickly into other particles. See more at decay.
3 days ago · If people are unstable, their emotions and behaviour keep changing because their minds are disturbed or upset. He was emotionally unstable. Coleridge was also a highly unstable person.
