What is another word for unstable?

Synonyms for unstable
ʌnˈsteɪ bəlun·sta·ble

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term unstable.

Wiktionary

  1. unstableadjective

    Synonyms:
    instable

    Antonyms:
    stable

  2. unstableadjective

    having a strong tendency to change

    Synonyms:
    instable

    Antonyms:
    stable

  3. unstableadjective

    fluctuating; not constant

    Synonyms:
    instable

    Antonyms:
    stable

  4. unstableadjective

    fickle

    Synonyms:
    instable

    Antonyms:
    stable

  5. unstableadjective

    unpredictable

    Synonyms:
    instable

    Antonyms:
    stable

  6. unstableadjective

    Readily decompasable

    Synonyms:
    instable

    Antonyms:
    stable

  7. unstableadjective

    Radioactive, especially with a short half-life

    Synonyms:
    instable

    Antonyms:
    stable

English Synonyms and Antonyms

  1. unstable

    Uncertain is applied to things that human knowledge can not certainly determine or that human power can not certainly control; precarious originally meant dependent on the will of another, and now, by extension of meaning, dependent on chance or hazard, with manifest unfavorable possibility verging toward probability; as, one holds office by a precarious tenure, or land by a precarious title; the strong man's hold on life is uncertain, the invalid's is precarious.

    Synonyms:
    doubtful, dubious, equivocal, hazardous, insecure, perilous, precarious, risky, unassured, uncertain, unsettled, unsteady

    Antonyms:
    actual, assured, certain, firm, immutable, incontestable, infallible, real, settled, stable, steady, strong, sure, undeniable, undoubted, unquestionable

Princeton's WordNet

  1. unstableadjective

    lacking stability or fixity or firmness

    "unstable political conditions"; "the tower proved to be unstable in the high wind"; "an unstable world economy"

    Synonyms:
    unsound, fluid, precarious, mentally ill

    Antonyms:
    sane, firm, easy, lasting, stabilised, stabilized, resolute, unreactive, stable, unfluctuating, stabile, steady, unchangeable

  2. unstableadjective

    highly or violently reactive

    "sensitive and highly unstable compounds"

    Synonyms:
    unsound, fluid, precarious, mentally ill

    Antonyms:
    stabilized, lasting, firm, stabile, unchangeable, easy, stable, steady, stabilised, resolute, unreactive, sane, unfluctuating

  3. precarious, unstableadjective

    affording no ease or reassurance

    "a precarious truce"

    Synonyms:
    mentally ill, perilous, parlous, precarious, shaky, touch-and-go, unsound, fluid

    Antonyms:
    stabilised, stable, lasting, unchangeable, unfluctuating, stabile, easy, stabilized, unreactive, steady, resolute, sane, firm

  4. mentally ill, unsound, unstableadjective

    suffering from severe mental illness

    "of unsound mind"

    Synonyms:
    mentally ill, bad, unfit, fallacious, precarious, unsound, fluid

    Antonyms:
    steady, easy, unreactive, lasting, resolute, firm, stabilised, sane, stabile, stable, unfluctuating, unchangeable, stabilized

  5. unstableadjective

    disposed to psychological variability

    "his rather unstable religious convictions"

    Synonyms:
    unsound, fluid, precarious, mentally ill

    Antonyms:
    resolute, lasting, sane, stabilized, unfluctuating, stabilised, stable, stabile, firm, unchangeable, steady, easy, unreactive

  6. fluid, unstableadjective

    subject to change; variable

    "a fluid situation fraught with uncertainty"; "everything was unstable following the coup"

    Synonyms:
    mentally ill, mobile, liquid, fluent, runny, smooth, precarious, unsound, fluid

    Antonyms:
    firm, lasting, stable, stabile, resolute, steady, unfluctuating, unreactive, unchangeable, sane, easy, stabilised, stabilized

Dictionary of English Synonymes

  1. unstableadjective

    Synonyms:
    UNSTEADY

Synonyms, Antonyms & Associated Words

  1. unstableadjective

    Synonyms:
    insecure, unsteady, irresolute, inconstant, erratic

How to pronounce unstable?

How to say unstable in sign language?

Words popularity by usage frequency

rankingword
#534mobile
#841bad
#3533liquid
#3880smooth
#3947stable
#5086fluid
#5700hazardous
#10488unstable
#11666uncertain
#12828volatile
#14236fragile
#14670instability
#15665risky
#20066doubtful
#20069insecure
#20530fluent
#23071dubious
#29642unfit
#30673shaky
#37328precarious
#38566perilous
#40835unsettled
#45989runny
#49479unsteady
#53805unsound
#63242destabilizing
#70807equivocal
#74880fallacious
#79787labile
#82812destabilization
#200179instable
#243836parlous

How to use unstable in a sentence?

  1. Barack Obama:

    As the first woman to serve as America's top diplomat, Madeleine's courage and toughness helped bring peace to the Balkans and paved the way for progress in some of the most unstable corners of the world.

  2. Vladimir Putin:

    When they won the Cold War, the US declared themselves God's own representatives on earth, people who have no responsibilities -- only interests. They have declared those interests sacred. Now Cold War's one-way traffic, which makes the world unstable.

  3. Bobby Bank/Getty:

    I was very unstable. I wasn’t thinking right. So I hooked up with these guys and all of a sudden I’m a stick-up artist. I stuck up every nightclub in New York, i’m no angel.

  4. John Tims:

    The experts that weve spoken to have said it is unsafe for us to go on that island. The island is unstable, the physical environment is unsafe for us to return to the island, it is important that we consider the health and safety of those that will return to the island.

  5. Rachel Kyte:

    The implications of unmitigated climate change for the UAE make its cities unbearably hot, water even more scarce and the region more unstable, action alone and collectively to live in balance with the planet is fundamental for UAE's future prosperity.


Translations for unstable

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"unstable." Synonyms.com. STANDS4 LLC, 2022. Web. 5 Dec. 2022. <https://www.synonyms.com/synonym/unstable>.

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