What is another word for unstable?

Synonyms for unstable
ʌnˈsteɪ bəlun·sta·ble

This thesaurus page includes all potential synonyms, words with the same meaning and similar terms for the word unstable.

Wiktionary5.0 / 1 vote

  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 Antonyms3.0 / 1 vote

  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 WordNet3.0 / 1 vote

  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 Synonymes0.0 / 0 votes

  1. unstableadjective

    Synonyms:
    UNSTEADY

Synonyms, Antonyms & Associated Words0.0 / 0 votes

  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. Buenos Aires-based:

    This a country with a quite unstable macroeconomy, with a high degree of taxes that are imposed on the capital that comes to invest.

  2. Mickey Mehta:

    Today life is going through unstable paces, animals slaved in cages and food exhibited in show-cases. We eat thrash, our language is brash, life is a dash and humanity is about to crash. Black is cash, party is a bash and cleansing is just a splash. Wake up, come back to nature or else a human being will just be reduced to a caricature . Let your life be naturalized, get MickeyMized.

  3. Robert Kaplan:

    You've got a dramatic decrease in the soluble lead. What we're seeing though is particulate lead, which indicates that the system is unstable.

  4. Brian Lattimer:

    Balancing on any type of terrain that's unstable - especially for bipedal robots - is very difficult, whole-body momentum control allows for the robot to optimize the locations of all of its joints so that it maintains its center of mass on uncertain and unstable surfaces.

  5. Andrew Miller:

    To meet the huge challenge of feeding a burgeoning global population, using fewer resources, as our climate becomes increasingly unstable, we will need to use all of the tools at our disposal, be they social, political, economic or technological, regulatory reform is no longer merely an option, it is a necessity.


Translations for unstable

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"unstable." Synonyms.com. STANDS4 LLC, 2024. Web. 29 May 2024. <https://www.synonyms.com/synonym/unstable>.

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