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unstable

/ən'steɪbəl/

Synonyms of unstable Antonyms of unstable Examples of unstable Usage of unstable Parts of unstable Definition that contains unstable Words sounding like unstable Explanation of unstable

adjective
affording no ease or reassurance
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precarious uneasy
adjective
suffering from severe mental illness
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mentally ill unsound insane
adjective
subject to change; variable
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"everything was unstable following the coup"

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fluid changeful changeable
adjective
disposed to psychological variability
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"his rather unstable religious convictions"

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irresolute
adjective
highly or violently reactive
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"sensitive and highly unstable compounds"

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reactive
adjective
lacking stability or fixity or firmness
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"unstable political conditions" "the tower proved to be unstable in the high wind" "an unstable world economy"

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rocky seismal seismic shaky tender tippy tipsy top-heavy tottering wonky coseismal coseismic crank cranky explosive rickety volatile volcanic wobbly

Opposite:

stable

Definition that contains unstable

turbulence unstable flow of a liquid or gas
tipsy unstable and prone to tip as if intoxicated
top-heavy unstable by being overloaded at the top
acetoacetic acid unstable acid found in abnormal amounts in the blood and urine in some cases of impaired metabolism (as diabetes mellitus or starvation)
turbulency unstable flow of a liquid or gas